Home / 18,188.16-25,095.90-11,465.88

Finding the Fourth Proportional to 18,188.16, 25,095.90 and 11,465.88

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Solution

The fourth proportional to 18,188.16, 25,095.90 and 11,465.88 is: 15,820.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.16 : 25,095.90 = 11,465.88 : x
  2. Step 2: Convert to fraction form
    18,188.16/25,095.90 = 11,465.88/x
  3. Step 3: Cross multiply
    18,188.16x = 25,095.90 × 11,465.88
  4. Step 4: Simplify right side
    18,188.16x = 287,746,577.89
  5. Step 5: Solve for x
    x = 287,746,577.89/18,188.16
  6. Step 6: Final answer
    x = 15,820.54

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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.