Home / 10,014.60-15,000.30-5,392.20

Finding the Fourth Proportional to 10,014.60, 15,000.30 and 5,392.20

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Solution

The fourth proportional to 10,014.60, 15,000.30 and 5,392.20 is: 8,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,014.60 : 15,000.30 = 5,392.20 : x
  2. Step 2: Convert to fraction form
    10,014.60/15,000.30 = 5,392.20/x
  3. Step 3: Cross multiply
    10,014.60x = 15,000.30 × 5,392.20
  4. Step 4: Simplify right side
    10,014.60x = 80,884,617.66
  5. Step 5: Solve for x
    x = 80,884,617.66/10,014.60
  6. Step 6: Final answer
    x = 8,076.67

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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.