Home / 12,302.08-18,449.17-5,280.19

Finding the Fourth Proportional to 12,302.08, 18,449.17 and 5,280.19

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Solution

The fourth proportional to 12,302.08, 18,449.17 and 5,280.19 is: 7,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302.08 : 18,449.17 = 5,280.19 : x
  2. Step 2: Convert to fraction form
    12,302.08/18,449.17 = 5,280.19/x
  3. Step 3: Cross multiply
    12,302.08x = 18,449.17 × 5,280.19
  4. Step 4: Simplify right side
    12,302.08x = 97,415,063.62
  5. Step 5: Solve for x
    x = 97,415,063.62/12,302.08
  6. Step 6: Final answer
    x = 7,918.59

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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.