Home / 15,923.70-23,885.55-13,688.10

Finding the Fourth Proportional to 15,923.70, 23,885.55 and 13,688.10

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Solution

The fourth proportional to 15,923.70, 23,885.55 and 13,688.10 is: 20,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.70 : 23,885.55 = 13,688.10 : x
  2. Step 2: Convert to fraction form
    15,923.70/23,885.55 = 13,688.10/x
  3. Step 3: Cross multiply
    15,923.70x = 23,885.55 × 13,688.10
  4. Step 4: Simplify right side
    15,923.70x = 326,947,796.96
  5. Step 5: Solve for x
    x = 326,947,796.96/15,923.70
  6. Step 6: Final answer
    x = 20,532.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.