Home / 19,192.70-26,463.29-13,145.87

Finding the Fourth Proportional to 19,192.70, 26,463.29 and 13,145.87

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Solution

The fourth proportional to 19,192.70, 26,463.29 and 13,145.87 is: 18,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.70 : 26,463.29 = 13,145.87 : x
  2. Step 2: Convert to fraction form
    19,192.70/26,463.29 = 13,145.87/x
  3. Step 3: Cross multiply
    19,192.70x = 26,463.29 × 13,145.87
  4. Step 4: Simplify right side
    19,192.70x = 347,882,970.11
  5. Step 5: Solve for x
    x = 347,882,970.11/19,192.70
  6. Step 6: Final answer
    x = 18,125.80

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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.