Home / 9,538.18-14,310.65-4,272.78

Finding the Fourth Proportional to 9,538.18, 14,310.65 and 4,272.78

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Solution

The fourth proportional to 9,538.18, 14,310.65 and 4,272.78 is: 6,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.18 : 14,310.65 = 4,272.78 : x
  2. Step 2: Convert to fraction form
    9,538.18/14,310.65 = 4,272.78/x
  3. Step 3: Cross multiply
    9,538.18x = 14,310.65 × 4,272.78
  4. Step 4: Simplify right side
    9,538.18x = 61,146,259.11
  5. Step 5: Solve for x
    x = 61,146,259.11/9,538.18
  6. Step 6: Final answer
    x = 6,410.68

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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.