Home / 12,884.04-19,319.76-5,486.76

Finding the Fourth Proportional to 12,884.04, 19,319.76 and 5,486.76

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Solution

The fourth proportional to 12,884.04, 19,319.76 and 5,486.76 is: 8,227.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.04 : 19,319.76 = 5,486.76 : x
  2. Step 2: Convert to fraction form
    12,884.04/19,319.76 = 5,486.76/x
  3. Step 3: Cross multiply
    12,884.04x = 19,319.76 × 5,486.76
  4. Step 4: Simplify right side
    12,884.04x = 106,002,886.38
  5. Step 5: Solve for x
    x = 106,002,886.38/12,884.04
  6. Step 6: Final answer
    x = 8,227.46

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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.