Home / 15,051.60-22,513.40-13,502.80

Finding the Fourth Proportional to 15,051.60, 22,513.40 and 13,502.80

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Solution

The fourth proportional to 15,051.60, 22,513.40 and 13,502.80 is: 20,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.60 : 22,513.40 = 13,502.80 : x
  2. Step 2: Convert to fraction form
    15,051.60/22,513.40 = 13,502.80/x
  3. Step 3: Cross multiply
    15,051.60x = 22,513.40 × 13,502.80
  4. Step 4: Simplify right side
    15,051.60x = 303,993,937.52
  5. Step 5: Solve for x
    x = 303,993,937.52/15,051.60
  6. Step 6: Final answer
    x = 20,196.79

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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.