Home / 10,153.68-15,235.20-6,255.60

Finding the Fourth Proportional to 10,153.68, 15,235.20 and 6,255.60

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Solution

The fourth proportional to 10,153.68, 15,235.20 and 6,255.60 is: 9,386.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.68 : 15,235.20 = 6,255.60 : x
  2. Step 2: Convert to fraction form
    10,153.68/15,235.20 = 6,255.60/x
  3. Step 3: Cross multiply
    10,153.68x = 15,235.20 × 6,255.60
  4. Step 4: Simplify right side
    10,153.68x = 95,305,317.12
  5. Step 5: Solve for x
    x = 95,305,317.12/10,153.68
  6. Step 6: Final answer
    x = 9,386.28

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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.