Home / 10,346.88-14,278.50-5,631.06

Finding the Fourth Proportional to 10,346.88, 14,278.50 and 5,631.06

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Solution

The fourth proportional to 10,346.88, 14,278.50 and 5,631.06 is: 7,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.88 : 14,278.50 = 5,631.06 : x
  2. Step 2: Convert to fraction form
    10,346.88/14,278.50 = 5,631.06/x
  3. Step 3: Cross multiply
    10,346.88x = 14,278.50 × 5,631.06
  4. Step 4: Simplify right side
    10,346.88x = 80,403,090.21
  5. Step 5: Solve for x
    x = 80,403,090.21/10,346.88
  6. Step 6: Final answer
    x = 7,770.76

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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.