Home / 20,726.99-31,101.48-9,041.12

Finding the Fourth Proportional to 20,726.99, 31,101.48 and 9,041.12

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Solution

The fourth proportional to 20,726.99, 31,101.48 and 9,041.12 is: 13,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726.99 : 31,101.48 = 9,041.12 : x
  2. Step 2: Convert to fraction form
    20,726.99/31,101.48 = 9,041.12/x
  3. Step 3: Cross multiply
    20,726.99x = 31,101.48 × 9,041.12
  4. Step 4: Simplify right side
    20,726.99x = 281,192,057.35
  5. Step 5: Solve for x
    x = 281,192,057.35/20,726.99
  6. Step 6: Final answer
    x = 13,566.47

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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.