Home / 10,742.19-14,821.17-6,965.50

Finding the Fourth Proportional to 10,742.19, 14,821.17 and 6,965.50

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Solution

The fourth proportional to 10,742.19, 14,821.17 and 6,965.50 is: 9,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.19 : 14,821.17 = 6,965.50 : x
  2. Step 2: Convert to fraction form
    10,742.19/14,821.17 = 6,965.50/x
  3. Step 3: Cross multiply
    10,742.19x = 14,821.17 × 6,965.50
  4. Step 4: Simplify right side
    10,742.19x = 103,236,859.64
  5. Step 5: Solve for x
    x = 103,236,859.64/10,742.19
  6. Step 6: Final answer
    x = 9,610.41

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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.