Home / 10,688.28-14,750.40-5,972.52

Finding the Fourth Proportional to 10,688.28, 14,750.40 and 5,972.52

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Solution

The fourth proportional to 10,688.28, 14,750.40 and 5,972.52 is: 8,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.28 : 14,750.40 = 5,972.52 : x
  2. Step 2: Convert to fraction form
    10,688.28/14,750.40 = 5,972.52/x
  3. Step 3: Cross multiply
    10,688.28x = 14,750.40 × 5,972.52
  4. Step 4: Simplify right side
    10,688.28x = 88,097,059.01
  5. Step 5: Solve for x
    x = 88,097,059.01/10,688.28
  6. Step 6: Final answer
    x = 8,242.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.