Home / 10,431.07-15,648.64-4,587.66

Finding the Fourth Proportional to 10,431.07, 15,648.64 and 4,587.66

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Solution

The fourth proportional to 10,431.07, 15,648.64 and 4,587.66 is: 6,882.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.07 : 15,648.64 = 4,587.66 : x
  2. Step 2: Convert to fraction form
    10,431.07/15,648.64 = 4,587.66/x
  3. Step 3: Cross multiply
    10,431.07x = 15,648.64 × 4,587.66
  4. Step 4: Simplify right side
    10,431.07x = 71,790,639.78
  5. Step 5: Solve for x
    x = 71,790,639.78/10,431.07
  6. Step 6: Final answer
    x = 6,882.39

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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.