Home / 18,862.98-28,306.37-10,548.45

Finding the Fourth Proportional to 18,862.98, 28,306.37 and 10,548.45

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Solution

The fourth proportional to 18,862.98, 28,306.37 and 10,548.45 is: 15,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.98 : 28,306.37 = 10,548.45 : x
  2. Step 2: Convert to fraction form
    18,862.98/28,306.37 = 10,548.45/x
  3. Step 3: Cross multiply
    18,862.98x = 28,306.37 × 10,548.45
  4. Step 4: Simplify right side
    18,862.98x = 298,588,275.88
  5. Step 5: Solve for x
    x = 298,588,275.88/18,862.98
  6. Step 6: Final answer
    x = 15,829.33

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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.