Home / 10,820.27-14,932.16-6,347.24

Finding the Fourth Proportional to 10,820.27, 14,932.16 and 6,347.24

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Solution

The fourth proportional to 10,820.27, 14,932.16 and 6,347.24 is: 8,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.27 : 14,932.16 = 6,347.24 : x
  2. Step 2: Convert to fraction form
    10,820.27/14,932.16 = 6,347.24/x
  3. Step 3: Cross multiply
    10,820.27x = 14,932.16 × 6,347.24
  4. Step 4: Simplify right side
    10,820.27x = 94,777,971.50
  5. Step 5: Solve for x
    x = 94,777,971.50/10,820.27
  6. Step 6: Final answer
    x = 8,759.30

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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.