Home / 18,306.07-25,262.98-10,129.77

Finding the Fourth Proportional to 18,306.07, 25,262.98 and 10,129.77

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Solution

The fourth proportional to 18,306.07, 25,262.98 and 10,129.77 is: 13,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306.07 : 25,262.98 = 10,129.77 : x
  2. Step 2: Convert to fraction form
    18,306.07/25,262.98 = 10,129.77/x
  3. Step 3: Cross multiply
    18,306.07x = 25,262.98 × 10,129.77
  4. Step 4: Simplify right side
    18,306.07x = 255,908,107.35
  5. Step 5: Solve for x
    x = 255,908,107.35/18,306.07
  6. Step 6: Final answer
    x = 13,979.41

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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.