Home / 18,974.63-28,417.65-14,999.19

Finding the Fourth Proportional to 18,974.63, 28,417.65 and 14,999.19

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Solution

The fourth proportional to 18,974.63, 28,417.65 and 14,999.19 is: 22,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.63 : 28,417.65 = 14,999.19 : x
  2. Step 2: Convert to fraction form
    18,974.63/28,417.65 = 14,999.19/x
  3. Step 3: Cross multiply
    18,974.63x = 28,417.65 × 14,999.19
  4. Step 4: Simplify right side
    18,974.63x = 426,241,731.70
  5. Step 5: Solve for x
    x = 426,241,731.70/18,974.63
  6. Step 6: Final answer
    x = 22,463.78

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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.