Home / 15,627.04-23,451.78-6,140.80

Finding the Fourth Proportional to 15,627.04, 23,451.78 and 6,140.80

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Solution

The fourth proportional to 15,627.04, 23,451.78 and 6,140.80 is: 9,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.04 : 23,451.78 = 6,140.80 : x
  2. Step 2: Convert to fraction form
    15,627.04/23,451.78 = 6,140.80/x
  3. Step 3: Cross multiply
    15,627.04x = 23,451.78 × 6,140.80
  4. Step 4: Simplify right side
    15,627.04x = 144,012,690.62
  5. Step 5: Solve for x
    x = 144,012,690.62/15,627.04
  6. Step 6: Final answer
    x = 9,215.61

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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.