Home / 19,123.24-26,387.20-10,738.12

Finding the Fourth Proportional to 19,123.24, 26,387.20 and 10,738.12

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Solution

The fourth proportional to 19,123.24, 26,387.20 and 10,738.12 is: 14,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.24 : 26,387.20 = 10,738.12 : x
  2. Step 2: Convert to fraction form
    19,123.24/26,387.20 = 10,738.12/x
  3. Step 3: Cross multiply
    19,123.24x = 26,387.20 × 10,738.12
  4. Step 4: Simplify right side
    19,123.24x = 283,348,920.06
  5. Step 5: Solve for x
    x = 283,348,920.06/19,123.24
  6. Step 6: Final answer
    x = 14,816.99

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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.