Home / 16,491.48-22,759.35-9,318.91

Finding the Fourth Proportional to 16,491.48, 22,759.35 and 9,318.91

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Solution

The fourth proportional to 16,491.48, 22,759.35 and 9,318.91 is: 12,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.48 : 22,759.35 = 9,318.91 : x
  2. Step 2: Convert to fraction form
    16,491.48/22,759.35 = 9,318.91/x
  3. Step 3: Cross multiply
    16,491.48x = 22,759.35 × 9,318.91
  4. Step 4: Simplify right side
    16,491.48x = 212,092,334.31
  5. Step 5: Solve for x
    x = 212,092,334.31/16,491.48
  6. Step 6: Final answer
    x = 12,860.72

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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.