Home / 10,626.60-15,920.70-9,397.80

Finding the Fourth Proportional to 10,626.60, 15,920.70 and 9,397.80

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Solution

The fourth proportional to 10,626.60, 15,920.70 and 9,397.80 is: 14,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.60 : 15,920.70 = 9,397.80 : x
  2. Step 2: Convert to fraction form
    10,626.60/15,920.70 = 9,397.80/x
  3. Step 3: Cross multiply
    10,626.60x = 15,920.70 × 9,397.80
  4. Step 4: Simplify right side
    10,626.60x = 149,619,554.46
  5. Step 5: Solve for x
    x = 149,619,554.46/10,626.60
  6. Step 6: Final answer
    x = 14,079.72

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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.