Home / 10,218.56-14,101.70-5,742.18

Finding the Fourth Proportional to 10,218.56, 14,101.70 and 5,742.18

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Solution

The fourth proportional to 10,218.56, 14,101.70 and 5,742.18 is: 7,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.56 : 14,101.70 = 5,742.18 : x
  2. Step 2: Convert to fraction form
    10,218.56/14,101.70 = 5,742.18/x
  3. Step 3: Cross multiply
    10,218.56x = 14,101.70 × 5,742.18
  4. Step 4: Simplify right side
    10,218.56x = 80,974,471.00
  5. Step 5: Solve for x
    x = 80,974,471.00/10,218.56
  6. Step 6: Final answer
    x = 7,924.26

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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.