Home / 15,351.70-23,014.08-12,740.88

Finding the Fourth Proportional to 15,351.70, 23,014.08 and 12,740.88

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Solution

The fourth proportional to 15,351.70, 23,014.08 and 12,740.88 is: 19,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.70 : 23,014.08 = 12,740.88 : x
  2. Step 2: Convert to fraction form
    15,351.70/23,014.08 = 12,740.88/x
  3. Step 3: Cross multiply
    15,351.70x = 23,014.08 × 12,740.88
  4. Step 4: Simplify right side
    15,351.70x = 293,219,631.59
  5. Step 5: Solve for x
    x = 293,219,631.59/15,351.70
  6. Step 6: Final answer
    x = 19,100.14

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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.