Home / 13,272.96-19,897.56-5,476.80

Finding the Fourth Proportional to 13,272.96, 19,897.56 and 5,476.80

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Solution

The fourth proportional to 13,272.96, 19,897.56 and 5,476.80 is: 8,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.96 : 19,897.56 = 5,476.80 : x
  2. Step 2: Convert to fraction form
    13,272.96/19,897.56 = 5,476.80/x
  3. Step 3: Cross multiply
    13,272.96x = 19,897.56 × 5,476.80
  4. Step 4: Simplify right side
    13,272.96x = 108,974,956.61
  5. Step 5: Solve for x
    x = 108,974,956.61/13,272.96
  6. Step 6: Final answer
    x = 8,210.30

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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.