Home / 10,330.25-15,551.58-9,411.71

Finding the Fourth Proportional to 10,330.25, 15,551.58 and 9,411.71

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Solution

The fourth proportional to 10,330.25, 15,551.58 and 9,411.71 is: 14,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.25 : 15,551.58 = 9,411.71 : x
  2. Step 2: Convert to fraction form
    10,330.25/15,551.58 = 9,411.71/x
  3. Step 3: Cross multiply
    10,330.25x = 15,551.58 × 9,411.71
  4. Step 4: Simplify right side
    10,330.25x = 146,366,961.00
  5. Step 5: Solve for x
    x = 146,366,961.00/10,330.25
  6. Step 6: Final answer
    x = 14,168.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.