Home / 18,832.86-25,989.24-10,875.78

Finding the Fourth Proportional to 18,832.86, 25,989.24 and 10,875.78

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Solution

The fourth proportional to 18,832.86, 25,989.24 and 10,875.78 is: 15,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,832.86 : 25,989.24 = 10,875.78 : x
  2. Step 2: Convert to fraction form
    18,832.86/25,989.24 = 10,875.78/x
  3. Step 3: Cross multiply
    18,832.86x = 25,989.24 × 10,875.78
  4. Step 4: Simplify right side
    18,832.86x = 282,653,256.61
  5. Step 5: Solve for x
    x = 282,653,256.61/18,832.86
  6. Step 6: Final answer
    x = 15,008.51

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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.