Home / 10,108.40-15,150.72-4,555.28

Finding the Fourth Proportional to 10,108.40, 15,150.72 and 4,555.28

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Solution

The fourth proportional to 10,108.40, 15,150.72 and 4,555.28 is: 6,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.40 : 15,150.72 = 4,555.28 : x
  2. Step 2: Convert to fraction form
    10,108.40/15,150.72 = 4,555.28/x
  3. Step 3: Cross multiply
    10,108.40x = 15,150.72 × 4,555.28
  4. Step 4: Simplify right side
    10,108.40x = 69,015,771.80
  5. Step 5: Solve for x
    x = 69,015,771.80/10,108.40
  6. Step 6: Final answer
    x = 6,827.57

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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.