Home / 10,445.12-14,410.85-5,907.09

Finding the Fourth Proportional to 10,445.12, 14,410.85 and 5,907.09

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Solution

The fourth proportional to 10,445.12, 14,410.85 and 5,907.09 is: 8,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.12 : 14,410.85 = 5,907.09 : x
  2. Step 2: Convert to fraction form
    10,445.12/14,410.85 = 5,907.09/x
  3. Step 3: Cross multiply
    10,445.12x = 14,410.85 × 5,907.09
  4. Step 4: Simplify right side
    10,445.12x = 85,126,158.39
  5. Step 5: Solve for x
    x = 85,126,158.39/10,445.12
  6. Step 6: Final answer
    x = 8,149.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.