Home / 10,639.04-15,958.10-4,397.36

Finding the Fourth Proportional to 10,639.04, 15,958.10 and 4,397.36

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Solution

The fourth proportional to 10,639.04, 15,958.10 and 4,397.36 is: 6,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.04 : 15,958.10 = 4,397.36 : x
  2. Step 2: Convert to fraction form
    10,639.04/15,958.10 = 4,397.36/x
  3. Step 3: Cross multiply
    10,639.04x = 15,958.10 × 4,397.36
  4. Step 4: Simplify right side
    10,639.04x = 70,173,510.62
  5. Step 5: Solve for x
    x = 70,173,510.62/10,639.04
  6. Step 6: Final answer
    x = 6,595.85

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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.