Home / 12,902.68-19,335.36-5,503.04

Finding the Fourth Proportional to 12,902.68, 19,335.36 and 5,503.04

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Solution

The fourth proportional to 12,902.68, 19,335.36 and 5,503.04 is: 8,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.68 : 19,335.36 = 5,503.04 : x
  2. Step 2: Convert to fraction form
    12,902.68/19,335.36 = 5,503.04/x
  3. Step 3: Cross multiply
    12,902.68x = 19,335.36 × 5,503.04
  4. Step 4: Simplify right side
    12,902.68x = 106,403,259.49
  5. Step 5: Solve for x
    x = 106,403,259.49/12,902.68
  6. Step 6: Final answer
    x = 8,246.60

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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.