Home / 10,639.35-15,957.06-5,373.12

Finding the Fourth Proportional to 10,639.35, 15,957.06 and 5,373.12

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Solution

The fourth proportional to 10,639.35, 15,957.06 and 5,373.12 is: 8,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.35 : 15,957.06 = 5,373.12 : x
  2. Step 2: Convert to fraction form
    10,639.35/15,957.06 = 5,373.12/x
  3. Step 3: Cross multiply
    10,639.35x = 15,957.06 × 5,373.12
  4. Step 4: Simplify right side
    10,639.35x = 85,739,198.23
  5. Step 5: Solve for x
    x = 85,739,198.23/10,639.35
  6. Step 6: Final answer
    x = 8,058.69

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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.