Home / 13,248.02-18,282.29-7,279.60

Finding the Fourth Proportional to 13,248.02, 18,282.29 and 7,279.60

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Solution

The fourth proportional to 13,248.02, 18,282.29 and 7,279.60 is: 10,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.02 : 18,282.29 = 7,279.60 : x
  2. Step 2: Convert to fraction form
    13,248.02/18,282.29 = 7,279.60/x
  3. Step 3: Cross multiply
    13,248.02x = 18,282.29 × 7,279.60
  4. Step 4: Simplify right side
    13,248.02x = 133,087,758.28
  5. Step 5: Solve for x
    x = 133,087,758.28/13,248.02
  6. Step 6: Final answer
    x = 10,045.86

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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.