Home / 18,278.53-25,224.85-10,320.82

Finding the Fourth Proportional to 18,278.53, 25,224.85 and 10,320.82

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Solution

The fourth proportional to 18,278.53, 25,224.85 and 10,320.82 is: 14,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.53 : 25,224.85 = 10,320.82 : x
  2. Step 2: Convert to fraction form
    18,278.53/25,224.85 = 10,320.82/x
  3. Step 3: Cross multiply
    18,278.53x = 25,224.85 × 10,320.82
  4. Step 4: Simplify right side
    18,278.53x = 260,341,086.22
  5. Step 5: Solve for x
    x = 260,341,086.22/18,278.53
  6. Step 6: Final answer
    x = 14,243.00

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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.