Home / 10,247.88-15,353.28-4,705.86

Finding the Fourth Proportional to 10,247.88, 15,353.28 and 4,705.86

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Solution

The fourth proportional to 10,247.88, 15,353.28 and 4,705.86 is: 7,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.88 : 15,353.28 = 4,705.86 : x
  2. Step 2: Convert to fraction form
    10,247.88/15,353.28 = 4,705.86/x
  3. Step 3: Cross multiply
    10,247.88x = 15,353.28 × 4,705.86
  4. Step 4: Simplify right side
    10,247.88x = 72,250,386.22
  5. Step 5: Solve for x
    x = 72,250,386.22/10,247.88
  6. Step 6: Final answer
    x = 7,050.28

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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.