Home / 16,280.56-22,459.40-9,474.58

Finding the Fourth Proportional to 16,280.56, 22,459.40 and 9,474.58

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Solution

The fourth proportional to 16,280.56, 22,459.40 and 9,474.58 is: 13,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,280.56 : 22,459.40 = 9,474.58 : x
  2. Step 2: Convert to fraction form
    16,280.56/22,459.40 = 9,474.58/x
  3. Step 3: Cross multiply
    16,280.56x = 22,459.40 × 9,474.58
  4. Step 4: Simplify right side
    16,280.56x = 212,793,382.05
  5. Step 5: Solve for x
    x = 212,793,382.05/16,280.56
  6. Step 6: Final answer
    x = 13,070.40

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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.