Home / 15,529.70-23,294.55-5,140.10

Finding the Fourth Proportional to 15,529.70, 23,294.55 and 5,140.10

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Solution

The fourth proportional to 15,529.70, 23,294.55 and 5,140.10 is: 7,710.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.70 : 23,294.55 = 5,140.10 : x
  2. Step 2: Convert to fraction form
    15,529.70/23,294.55 = 5,140.10/x
  3. Step 3: Cross multiply
    15,529.70x = 23,294.55 × 5,140.10
  4. Step 4: Simplify right side
    15,529.70x = 119,736,316.46
  5. Step 5: Solve for x
    x = 119,736,316.46/15,529.70
  6. Step 6: Final answer
    x = 7,710.15

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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.