Home / 10,213.08-14,113.38-8,700.42

Finding the Fourth Proportional to 10,213.08, 14,113.38 and 8,700.42

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Solution

The fourth proportional to 10,213.08, 14,113.38 and 8,700.42 is: 12,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,213.08 : 14,113.38 = 8,700.42 : x
  2. Step 2: Convert to fraction form
    10,213.08/14,113.38 = 8,700.42/x
  3. Step 3: Cross multiply
    10,213.08x = 14,113.38 × 8,700.42
  4. Step 4: Simplify right side
    10,213.08x = 122,792,333.62
  5. Step 5: Solve for x
    x = 122,792,333.62/10,213.08
  6. Step 6: Final answer
    x = 12,023.05

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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.