Home / 11,232.76-15,484.80-7,864.96

Finding the Fourth Proportional to 11,232.76, 15,484.80 and 7,864.96

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Solution

The fourth proportional to 11,232.76, 15,484.80 and 7,864.96 is: 10,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,232.76 : 15,484.80 = 7,864.96 : x
  2. Step 2: Convert to fraction form
    11,232.76/15,484.80 = 7,864.96/x
  3. Step 3: Cross multiply
    11,232.76x = 15,484.80 × 7,864.96
  4. Step 4: Simplify right side
    11,232.76x = 121,787,332.61
  5. Step 5: Solve for x
    x = 121,787,332.61/11,232.76
  6. Step 6: Final answer
    x = 10,842.16

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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.