Home / 10,242.30-14,130.95-8,350.62

Finding the Fourth Proportional to 10,242.30, 14,130.95 and 8,350.62

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Solution

The fourth proportional to 10,242.30, 14,130.95 and 8,350.62 is: 11,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.30 : 14,130.95 = 8,350.62 : x
  2. Step 2: Convert to fraction form
    10,242.30/14,130.95 = 8,350.62/x
  3. Step 3: Cross multiply
    10,242.30x = 14,130.95 × 8,350.62
  4. Step 4: Simplify right side
    10,242.30x = 118,002,193.69
  5. Step 5: Solve for x
    x = 118,002,193.69/10,242.30
  6. Step 6: Final answer
    x = 11,521.06

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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.