Home / 10,399.01-14,353.58-6,151.55

Finding the Fourth Proportional to 10,399.01, 14,353.58 and 6,151.55

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Solution

The fourth proportional to 10,399.01, 14,353.58 and 6,151.55 is: 8,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.01 : 14,353.58 = 6,151.55 : x
  2. Step 2: Convert to fraction form
    10,399.01/14,353.58 = 6,151.55/x
  3. Step 3: Cross multiply
    10,399.01x = 14,353.58 × 6,151.55
  4. Step 4: Simplify right side
    10,399.01x = 88,296,744.34
  5. Step 5: Solve for x
    x = 88,296,744.34/10,399.01
  6. Step 6: Final answer
    x = 8,490.88

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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.