Home / 12,242.28-18,349.02-5,220.18

Finding the Fourth Proportional to 12,242.28, 18,349.02 and 5,220.18

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Solution

The fourth proportional to 12,242.28, 18,349.02 and 5,220.18 is: 7,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.28 : 18,349.02 = 5,220.18 : x
  2. Step 2: Convert to fraction form
    12,242.28/18,349.02 = 5,220.18/x
  3. Step 3: Cross multiply
    12,242.28x = 18,349.02 × 5,220.18
  4. Step 4: Simplify right side
    12,242.28x = 95,785,187.22
  5. Step 5: Solve for x
    x = 95,785,187.22/12,242.28
  6. Step 6: Final answer
    x = 7,824.13

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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.