Home / 14,153.68-19,545.45-9,126.94

Finding the Fourth Proportional to 14,153.68, 19,545.45 and 9,126.94

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Solution

The fourth proportional to 14,153.68, 19,545.45 and 9,126.94 is: 12,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,153.68 : 19,545.45 = 9,126.94 : x
  2. Step 2: Convert to fraction form
    14,153.68/19,545.45 = 9,126.94/x
  3. Step 3: Cross multiply
    14,153.68x = 19,545.45 × 9,126.94
  4. Step 4: Simplify right side
    14,153.68x = 178,390,149.42
  5. Step 5: Solve for x
    x = 178,390,149.42/14,153.68
  6. Step 6: Final answer
    x = 12,603.80

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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.