Home / 18,437.34-25,445.71-10,480.76

Finding the Fourth Proportional to 18,437.34, 25,445.71 and 10,480.76

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Solution

The fourth proportional to 18,437.34, 25,445.71 and 10,480.76 is: 14,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.34 : 25,445.71 = 10,480.76 : x
  2. Step 2: Convert to fraction form
    18,437.34/25,445.71 = 10,480.76/x
  3. Step 3: Cross multiply
    18,437.34x = 25,445.71 × 10,480.76
  4. Step 4: Simplify right side
    18,437.34x = 266,690,360.83
  5. Step 5: Solve for x
    x = 266,690,360.83/18,437.34
  6. Step 6: Final answer
    x = 14,464.68

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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.