Home / 15,321.05-22,981.64-10,125.77

Finding the Fourth Proportional to 15,321.05, 22,981.64 and 10,125.77

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Solution

The fourth proportional to 15,321.05, 22,981.64 and 10,125.77 is: 15,188.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.05 : 22,981.64 = 10,125.77 : x
  2. Step 2: Convert to fraction form
    15,321.05/22,981.64 = 10,125.77/x
  3. Step 3: Cross multiply
    15,321.05x = 22,981.64 × 10,125.77
  4. Step 4: Simplify right side
    15,321.05x = 232,706,797.95
  5. Step 5: Solve for x
    x = 232,706,797.95/15,321.05
  6. Step 6: Final answer
    x = 15,188.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.