Home / 16,890.95-23,309.94-9,337.40

Finding the Fourth Proportional to 16,890.95, 23,309.94 and 9,337.40

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Solution

The fourth proportional to 16,890.95, 23,309.94 and 9,337.40 is: 12,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.95 : 23,309.94 = 9,337.40 : x
  2. Step 2: Convert to fraction form
    16,890.95/23,309.94 = 9,337.40/x
  3. Step 3: Cross multiply
    16,890.95x = 23,309.94 × 9,337.40
  4. Step 4: Simplify right side
    16,890.95x = 217,654,239.63
  5. Step 5: Solve for x
    x = 217,654,239.63/16,890.95
  6. Step 6: Final answer
    x = 12,885.85

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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.