Home / 15,264.18-21,062.09-8,549.78

Finding the Fourth Proportional to 15,264.18, 21,062.09 and 8,549.78

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Solution

The fourth proportional to 15,264.18, 21,062.09 and 8,549.78 is: 11,797.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.18 : 21,062.09 = 8,549.78 : x
  2. Step 2: Convert to fraction form
    15,264.18/21,062.09 = 8,549.78/x
  3. Step 3: Cross multiply
    15,264.18x = 21,062.09 × 8,549.78
  4. Step 4: Simplify right side
    15,264.18x = 180,076,151.90
  5. Step 5: Solve for x
    x = 180,076,151.90/15,264.18
  6. Step 6: Final answer
    x = 11,797.30

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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.