Home / 18,882.79-26,058.91-10,385.56

Finding the Fourth Proportional to 18,882.79, 26,058.91 and 10,385.56

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Solution

The fourth proportional to 18,882.79, 26,058.91 and 10,385.56 is: 14,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.79 : 26,058.91 = 10,385.56 : x
  2. Step 2: Convert to fraction form
    18,882.79/26,058.91 = 10,385.56/x
  3. Step 3: Cross multiply
    18,882.79x = 26,058.91 × 10,385.56
  4. Step 4: Simplify right side
    18,882.79x = 270,636,223.63
  5. Step 5: Solve for x
    x = 270,636,223.63/18,882.79
  6. Step 6: Final answer
    x = 14,332.43

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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.