Home / 10,729.56-14,807.70-6,540.24

Finding the Fourth Proportional to 10,729.56, 14,807.70 and 6,540.24

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Solution

The fourth proportional to 10,729.56, 14,807.70 and 6,540.24 is: 9,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,729.56 : 14,807.70 = 6,540.24 : x
  2. Step 2: Convert to fraction form
    10,729.56/14,807.70 = 6,540.24/x
  3. Step 3: Cross multiply
    10,729.56x = 14,807.70 × 6,540.24
  4. Step 4: Simplify right side
    10,729.56x = 96,845,911.85
  5. Step 5: Solve for x
    x = 96,845,911.85/10,729.56
  6. Step 6: Final answer
    x = 9,026.08

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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.