Home / 10,335.64-15,514.38-6,442.72

Finding the Fourth Proportional to 10,335.64, 15,514.38 and 6,442.72

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Solution

The fourth proportional to 10,335.64, 15,514.38 and 6,442.72 is: 9,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.64 : 15,514.38 = 6,442.72 : x
  2. Step 2: Convert to fraction form
    10,335.64/15,514.38 = 6,442.72/x
  3. Step 3: Cross multiply
    10,335.64x = 15,514.38 × 6,442.72
  4. Step 4: Simplify right side
    10,335.64x = 99,954,806.31
  5. Step 5: Solve for x
    x = 99,954,806.31/10,335.64
  6. Step 6: Final answer
    x = 9,670.89

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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.