Home / 9,114.24-12,576.13-5,080.18

Finding the Fourth Proportional to 9,114.24, 12,576.13 and 5,080.18

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Solution

The fourth proportional to 9,114.24, 12,576.13 and 5,080.18 is: 7,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114.24 : 12,576.13 = 5,080.18 : x
  2. Step 2: Convert to fraction form
    9,114.24/12,576.13 = 5,080.18/x
  3. Step 3: Cross multiply
    9,114.24x = 12,576.13 × 5,080.18
  4. Step 4: Simplify right side
    9,114.24x = 63,889,004.10
  5. Step 5: Solve for x
    x = 63,889,004.10/9,114.24
  6. Step 6: Final answer
    x = 7,009.80

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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.