Home / 14,805.67-20,428.45-8,839.27

Finding the Fourth Proportional to 14,805.67, 20,428.45 and 8,839.27

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Solution

The fourth proportional to 14,805.67, 20,428.45 and 8,839.27 is: 12,196.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.67 : 20,428.45 = 8,839.27 : x
  2. Step 2: Convert to fraction form
    14,805.67/20,428.45 = 8,839.27/x
  3. Step 3: Cross multiply
    14,805.67x = 20,428.45 × 8,839.27
  4. Step 4: Simplify right side
    14,805.67x = 180,572,585.23
  5. Step 5: Solve for x
    x = 180,572,585.23/14,805.67
  6. Step 6: Final answer
    x = 12,196.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.