Home / 13,486.77-18,566.69-10,123.92

Finding the Fourth Proportional to 13,486.77, 18,566.69 and 10,123.92

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Solution

The fourth proportional to 13,486.77, 18,566.69 and 10,123.92 is: 13,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486.77 : 18,566.69 = 10,123.92 : x
  2. Step 2: Convert to fraction form
    13,486.77/18,566.69 = 10,123.92/x
  3. Step 3: Cross multiply
    13,486.77x = 18,566.69 × 10,123.92
  4. Step 4: Simplify right side
    13,486.77x = 187,967,633.61
  5. Step 5: Solve for x
    x = 187,967,633.61/13,486.77
  6. Step 6: Final answer
    x = 13,937.19

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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.