Home / 16,418.52-22,657.70-9,345.40

Finding the Fourth Proportional to 16,418.52, 22,657.70 and 9,345.40

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Solution

The fourth proportional to 16,418.52, 22,657.70 and 9,345.40 is: 12,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,418.52 : 22,657.70 = 9,345.40 : x
  2. Step 2: Convert to fraction form
    16,418.52/22,657.70 = 9,345.40/x
  3. Step 3: Cross multiply
    16,418.52x = 22,657.70 × 9,345.40
  4. Step 4: Simplify right side
    16,418.52x = 211,745,236.30
  5. Step 5: Solve for x
    x = 211,745,236.30/16,418.52
  6. Step 6: Final answer
    x = 12,896.73

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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.