Home / 21,246.19-31,806.98-14,899.06

Finding the Fourth Proportional to 21,246.19, 31,806.98 and 14,899.06

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Solution

The fourth proportional to 21,246.19, 31,806.98 and 14,899.06 is: 22,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.19 : 31,806.98 = 14,899.06 : x
  2. Step 2: Convert to fraction form
    21,246.19/31,806.98 = 14,899.06/x
  3. Step 3: Cross multiply
    21,246.19x = 31,806.98 × 14,899.06
  4. Step 4: Simplify right side
    21,246.19x = 473,894,103.44
  5. Step 5: Solve for x
    x = 473,894,103.44/21,246.19
  6. Step 6: Final answer
    x = 22,304.90

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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.