Home / 11,869.56-16,364.76-9,737.40

Finding the Fourth Proportional to 11,869.56, 16,364.76 and 9,737.40

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Solution

The fourth proportional to 11,869.56, 16,364.76 and 9,737.40 is: 13,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.56 : 16,364.76 = 9,737.40 : x
  2. Step 2: Convert to fraction form
    11,869.56/16,364.76 = 9,737.40/x
  3. Step 3: Cross multiply
    11,869.56x = 16,364.76 × 9,737.40
  4. Step 4: Simplify right side
    11,869.56x = 159,350,214.02
  5. Step 5: Solve for x
    x = 159,350,214.02/11,869.56
  6. Step 6: Final answer
    x = 13,425.12

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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.