Home / 18,437.04-25,464.48-13,423.80

Finding the Fourth Proportional to 18,437.04, 25,464.48 and 13,423.80

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Solution

The fourth proportional to 18,437.04, 25,464.48 and 13,423.80 is: 18,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.04 : 25,464.48 = 13,423.80 : x
  2. Step 2: Convert to fraction form
    18,437.04/25,464.48 = 13,423.80/x
  3. Step 3: Cross multiply
    18,437.04x = 25,464.48 × 13,423.80
  4. Step 4: Simplify right side
    18,437.04x = 341,830,086.62
  5. Step 5: Solve for x
    x = 341,830,086.62/18,437.04
  6. Step 6: Final answer
    x = 18,540.40

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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.