Home / 10,350.80-15,526.20-5,421.95

Finding the Fourth Proportional to 10,350.80, 15,526.20 and 5,421.95

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Solution

The fourth proportional to 10,350.80, 15,526.20 and 5,421.95 is: 8,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.80 : 15,526.20 = 5,421.95 : x
  2. Step 2: Convert to fraction form
    10,350.80/15,526.20 = 5,421.95/x
  3. Step 3: Cross multiply
    10,350.80x = 15,526.20 × 5,421.95
  4. Step 4: Simplify right side
    10,350.80x = 84,182,280.09
  5. Step 5: Solve for x
    x = 84,182,280.09/10,350.80
  6. Step 6: Final answer
    x = 8,132.93

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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.