Home / 12,541.40-18,816.02-7,549.24

Finding the Fourth Proportional to 12,541.40, 18,816.02 and 7,549.24

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Solution

The fourth proportional to 12,541.40, 18,816.02 and 7,549.24 is: 11,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.40 : 18,816.02 = 7,549.24 : x
  2. Step 2: Convert to fraction form
    12,541.40/18,816.02 = 7,549.24/x
  3. Step 3: Cross multiply
    12,541.40x = 18,816.02 × 7,549.24
  4. Step 4: Simplify right side
    12,541.40x = 142,046,650.82
  5. Step 5: Solve for x
    x = 142,046,650.82/12,541.40
  6. Step 6: Final answer
    x = 11,326.22

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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.