Home / 10,358.62-14,290.33-7,000.21

Finding the Fourth Proportional to 10,358.62, 14,290.33 and 7,000.21

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Solution

The fourth proportional to 10,358.62, 14,290.33 and 7,000.21 is: 9,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.62 : 14,290.33 = 7,000.21 : x
  2. Step 2: Convert to fraction form
    10,358.62/14,290.33 = 7,000.21/x
  3. Step 3: Cross multiply
    10,358.62x = 14,290.33 × 7,000.21
  4. Step 4: Simplify right side
    10,358.62x = 100,035,310.97
  5. Step 5: Solve for x
    x = 100,035,310.97/10,358.62
  6. Step 6: Final answer
    x = 9,657.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.