Home / 13,772.04-20,658.06-13,070.84

Finding the Fourth Proportional to 13,772.04, 20,658.06 and 13,070.84

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Solution

The fourth proportional to 13,772.04, 20,658.06 and 13,070.84 is: 19,606.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.04 : 20,658.06 = 13,070.84 : x
  2. Step 2: Convert to fraction form
    13,772.04/20,658.06 = 13,070.84/x
  3. Step 3: Cross multiply
    13,772.04x = 20,658.06 × 13,070.84
  4. Step 4: Simplify right side
    13,772.04x = 270,018,196.97
  5. Step 5: Solve for x
    x = 270,018,196.97/13,772.04
  6. Step 6: Final answer
    x = 19,606.26

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Similar ratio
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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.