Home / 15,470.97-21,349.76-9,101.67

Finding the Fourth Proportional to 15,470.97, 21,349.76 and 9,101.67

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Solution

The fourth proportional to 15,470.97, 21,349.76 and 9,101.67 is: 12,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.97 : 21,349.76 = 9,101.67 : x
  2. Step 2: Convert to fraction form
    15,470.97/21,349.76 = 9,101.67/x
  3. Step 3: Cross multiply
    15,470.97x = 21,349.76 × 9,101.67
  4. Step 4: Simplify right side
    15,470.97x = 194,318,424.59
  5. Step 5: Solve for x
    x = 194,318,424.59/15,470.97
  6. Step 6: Final answer
    x = 12,560.20

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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.