Home / 13,376.24-20,083.80-9,877.04

Finding the Fourth Proportional to 13,376.24, 20,083.80 and 9,877.04

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Solution

The fourth proportional to 13,376.24, 20,083.80 and 9,877.04 is: 14,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.24 : 20,083.80 = 9,877.04 : x
  2. Step 2: Convert to fraction form
    13,376.24/20,083.80 = 9,877.04/x
  3. Step 3: Cross multiply
    13,376.24x = 20,083.80 × 9,877.04
  4. Step 4: Simplify right side
    13,376.24x = 198,368,495.95
  5. Step 5: Solve for x
    x = 198,368,495.95/13,376.24
  6. Step 6: Final answer
    x = 14,829.91

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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.