Home / 11,916.28-16,464.30-9,417.58

Finding the Fourth Proportional to 11,916.28, 16,464.30 and 9,417.58

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Solution

The fourth proportional to 11,916.28, 16,464.30 and 9,417.58 is: 13,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.28 : 16,464.30 = 9,417.58 : x
  2. Step 2: Convert to fraction form
    11,916.28/16,464.30 = 9,417.58/x
  3. Step 3: Cross multiply
    11,916.28x = 16,464.30 × 9,417.58
  4. Step 4: Simplify right side
    11,916.28x = 155,053,862.39
  5. Step 5: Solve for x
    x = 155,053,862.39/11,916.28
  6. Step 6: Final answer
    x = 13,011.94

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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.