Home / 15,518.16-23,277.29-5,657.42

Finding the Fourth Proportional to 15,518.16, 23,277.29 and 5,657.42

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Solution

The fourth proportional to 15,518.16, 23,277.29 and 5,657.42 is: 8,486.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.16 : 23,277.29 = 5,657.42 : x
  2. Step 2: Convert to fraction form
    15,518.16/23,277.29 = 5,657.42/x
  3. Step 3: Cross multiply
    15,518.16x = 23,277.29 × 5,657.42
  4. Step 4: Simplify right side
    15,518.16x = 131,689,435.90
  5. Step 5: Solve for x
    x = 131,689,435.90/15,518.16
  6. Step 6: Final answer
    x = 8,486.15

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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.