Home / 18,926.60-26,117.68-10,428.44

Finding the Fourth Proportional to 18,926.60, 26,117.68 and 10,428.44

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Solution

The fourth proportional to 18,926.60, 26,117.68 and 10,428.44 is: 14,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.60 : 26,117.68 = 10,428.44 : x
  2. Step 2: Convert to fraction form
    18,926.60/26,117.68 = 10,428.44/x
  3. Step 3: Cross multiply
    18,926.60x = 26,117.68 × 10,428.44
  4. Step 4: Simplify right side
    18,926.60x = 272,366,658.82
  5. Step 5: Solve for x
    x = 272,366,658.82/18,926.60
  6. Step 6: Final answer
    x = 14,390.68

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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.