Home / 19,888.47-29,832.75-9,350.78

Finding the Fourth Proportional to 19,888.47, 29,832.75 and 9,350.78

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Solution

The fourth proportional to 19,888.47, 29,832.75 and 9,350.78 is: 14,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.47 : 29,832.75 = 9,350.78 : x
  2. Step 2: Convert to fraction form
    19,888.47/29,832.75 = 9,350.78/x
  3. Step 3: Cross multiply
    19,888.47x = 29,832.75 × 9,350.78
  4. Step 4: Simplify right side
    19,888.47x = 278,959,332.88
  5. Step 5: Solve for x
    x = 278,959,332.88/19,888.47
  6. Step 6: Final answer
    x = 14,026.18

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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.