Home / 9,876.28-14,727.30-9,787.38

Finding the Fourth Proportional to 9,876.28, 14,727.30 and 9,787.38

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Solution

The fourth proportional to 9,876.28, 14,727.30 and 9,787.38 is: 14,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.28 : 14,727.30 = 9,787.38 : x
  2. Step 2: Convert to fraction form
    9,876.28/14,727.30 = 9,787.38/x
  3. Step 3: Cross multiply
    9,876.28x = 14,727.30 × 9,787.38
  4. Step 4: Simplify right side
    9,876.28x = 144,141,681.47
  5. Step 5: Solve for x
    x = 144,141,681.47/9,876.28
  6. Step 6: Final answer
    x = 14,594.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.