Home / 15,511.20-23,272.20-5,650.80

Finding the Fourth Proportional to 15,511.20, 23,272.20 and 5,650.80

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Solution

The fourth proportional to 15,511.20, 23,272.20 and 5,650.80 is: 8,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.20 : 23,272.20 = 5,650.80 : x
  2. Step 2: Convert to fraction form
    15,511.20/23,272.20 = 5,650.80/x
  3. Step 3: Cross multiply
    15,511.20x = 23,272.20 × 5,650.80
  4. Step 4: Simplify right side
    15,511.20x = 131,506,547.76
  5. Step 5: Solve for x
    x = 131,506,547.76/15,511.20
  6. Step 6: Final answer
    x = 8,478.17

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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.