Home / 10,888.74-14,928.57-10,691.91

Finding the Fourth Proportional to 10,888.74, 14,928.57 and 10,691.91

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Solution

The fourth proportional to 10,888.74, 14,928.57 and 10,691.91 is: 14,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.74 : 14,928.57 = 10,691.91 : x
  2. Step 2: Convert to fraction form
    10,888.74/14,928.57 = 10,691.91/x
  3. Step 3: Cross multiply
    10,888.74x = 14,928.57 × 10,691.91
  4. Step 4: Simplify right side
    10,888.74x = 159,614,926.87
  5. Step 5: Solve for x
    x = 159,614,926.87/10,888.74
  6. Step 6: Final answer
    x = 14,658.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.