Home / 9,140.19-13,710.29-2,214.69

Finding the Fourth Proportional to 9,140.19, 13,710.29 and 2,214.69

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Solution

The fourth proportional to 9,140.19, 13,710.29 and 2,214.69 is: 3,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.19 : 13,710.29 = 2,214.69 : x
  2. Step 2: Convert to fraction form
    9,140.19/13,710.29 = 2,214.69/x
  3. Step 3: Cross multiply
    9,140.19x = 13,710.29 × 2,214.69
  4. Step 4: Simplify right side
    9,140.19x = 30,364,042.16
  5. Step 5: Solve for x
    x = 30,364,042.16/9,140.19
  6. Step 6: Final answer
    x = 3,322.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.