Home / 15,600.74-21,528.96-8,527.20

Finding the Fourth Proportional to 15,600.74, 21,528.96 and 8,527.20

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Solution

The fourth proportional to 15,600.74, 21,528.96 and 8,527.20 is: 11,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.74 : 21,528.96 = 8,527.20 : x
  2. Step 2: Convert to fraction form
    15,600.74/21,528.96 = 8,527.20/x
  3. Step 3: Cross multiply
    15,600.74x = 21,528.96 × 8,527.20
  4. Step 4: Simplify right side
    15,600.74x = 183,581,747.71
  5. Step 5: Solve for x
    x = 183,581,747.71/15,600.74
  6. Step 6: Final answer
    x = 11,767.51

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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.