Home / 19,239.30-26,545.72-11,685.42

Finding the Fourth Proportional to 19,239.30, 26,545.72 and 11,685.42

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Solution

The fourth proportional to 19,239.30, 26,545.72 and 11,685.42 is: 16,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.30 : 26,545.72 = 11,685.42 : x
  2. Step 2: Convert to fraction form
    19,239.30/26,545.72 = 11,685.42/x
  3. Step 3: Cross multiply
    19,239.30x = 26,545.72 × 11,685.42
  4. Step 4: Simplify right side
    19,239.30x = 310,197,887.40
  5. Step 5: Solve for x
    x = 310,197,887.40/19,239.30
  6. Step 6: Final answer
    x = 16,123.14

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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.