Home / 18,307.90-27,437.55-9,540.46

Finding the Fourth Proportional to 18,307.90, 27,437.55 and 9,540.46

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Solution

The fourth proportional to 18,307.90, 27,437.55 and 9,540.46 is: 14,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.90 : 27,437.55 = 9,540.46 : x
  2. Step 2: Convert to fraction form
    18,307.90/27,437.55 = 9,540.46/x
  3. Step 3: Cross multiply
    18,307.90x = 27,437.55 × 9,540.46
  4. Step 4: Simplify right side
    18,307.90x = 261,766,848.27
  5. Step 5: Solve for x
    x = 261,766,848.27/18,307.90
  6. Step 6: Final answer
    x = 14,298.03

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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.