Home / 15,100.02-20,823.50-9,049.32

Finding the Fourth Proportional to 15,100.02, 20,823.50 and 9,049.32

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Solution

The fourth proportional to 15,100.02, 20,823.50 and 9,049.32 is: 12,479.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.02 : 20,823.50 = 9,049.32 : x
  2. Step 2: Convert to fraction form
    15,100.02/20,823.50 = 9,049.32/x
  3. Step 3: Cross multiply
    15,100.02x = 20,823.50 × 9,049.32
  4. Step 4: Simplify right side
    15,100.02x = 188,438,515.02
  5. Step 5: Solve for x
    x = 188,438,515.02/15,100.02
  6. Step 6: Final answer
    x = 12,479.36

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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.