Home / 15,054.02-20,776.29-8,766.38

Finding the Fourth Proportional to 15,054.02, 20,776.29 and 8,766.38

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Solution

The fourth proportional to 15,054.02, 20,776.29 and 8,766.38 is: 12,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054.02 : 20,776.29 = 8,766.38 : x
  2. Step 2: Convert to fraction form
    15,054.02/20,776.29 = 8,766.38/x
  3. Step 3: Cross multiply
    15,054.02x = 20,776.29 × 8,766.38
  4. Step 4: Simplify right side
    15,054.02x = 182,132,853.13
  5. Step 5: Solve for x
    x = 182,132,853.13/15,054.02
  6. Step 6: Final answer
    x = 12,098.62

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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.