Home / 16,897.80-23,318.10-9,445.80

Finding the Fourth Proportional to 16,897.80, 23,318.10 and 9,445.80

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Solution

The fourth proportional to 16,897.80, 23,318.10 and 9,445.80 is: 13,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.80 : 23,318.10 = 9,445.80 : x
  2. Step 2: Convert to fraction form
    16,897.80/23,318.10 = 9,445.80/x
  3. Step 3: Cross multiply
    16,897.80x = 23,318.10 × 9,445.80
  4. Step 4: Simplify right side
    16,897.80x = 220,258,108.98
  5. Step 5: Solve for x
    x = 220,258,108.98/16,897.80
  6. Step 6: Final answer
    x = 13,034.72

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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.