Home / 19,116.60-28,675.38-9,254.04

Finding the Fourth Proportional to 19,116.60, 28,675.38 and 9,254.04

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Solution

The fourth proportional to 19,116.60, 28,675.38 and 9,254.04 is: 13,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,116.60 : 28,675.38 = 9,254.04 : x
  2. Step 2: Convert to fraction form
    19,116.60/28,675.38 = 9,254.04/x
  3. Step 3: Cross multiply
    19,116.60x = 28,675.38 × 9,254.04
  4. Step 4: Simplify right side
    19,116.60x = 265,363,113.54
  5. Step 5: Solve for x
    x = 265,363,113.54/19,116.60
  6. Step 6: Final answer
    x = 13,881.29

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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.