Home / 15,943.02-22,001.13-9,228.12

Finding the Fourth Proportional to 15,943.02, 22,001.13 and 9,228.12

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Solution

The fourth proportional to 15,943.02, 22,001.13 and 9,228.12 is: 12,734.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.02 : 22,001.13 = 9,228.12 : x
  2. Step 2: Convert to fraction form
    15,943.02/22,001.13 = 9,228.12/x
  3. Step 3: Cross multiply
    15,943.02x = 22,001.13 × 9,228.12
  4. Step 4: Simplify right side
    15,943.02x = 203,029,067.78
  5. Step 5: Solve for x
    x = 203,029,067.78/15,943.02
  6. Step 6: Final answer
    x = 12,734.67

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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.