Home / 10,173.60-15,230.70-7,257.60

Finding the Fourth Proportional to 10,173.60, 15,230.70 and 7,257.60

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Solution

The fourth proportional to 10,173.60, 15,230.70 and 7,257.60 is: 10,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.60 : 15,230.70 = 7,257.60 : x
  2. Step 2: Convert to fraction form
    10,173.60/15,230.70 = 7,257.60/x
  3. Step 3: Cross multiply
    10,173.60x = 15,230.70 × 7,257.60
  4. Step 4: Simplify right side
    10,173.60x = 110,538,328.32
  5. Step 5: Solve for x
    x = 110,538,328.32/10,173.60
  6. Step 6: Final answer
    x = 10,865.21

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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.