Home / 12,546.18-17,315.10-7,509.87

Finding the Fourth Proportional to 12,546.18, 17,315.10 and 7,509.87

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Solution

The fourth proportional to 12,546.18, 17,315.10 and 7,509.87 is: 10,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.18 : 17,315.10 = 7,509.87 : x
  2. Step 2: Convert to fraction form
    12,546.18/17,315.10 = 7,509.87/x
  3. Step 3: Cross multiply
    12,546.18x = 17,315.10 × 7,509.87
  4. Step 4: Simplify right side
    12,546.18x = 130,034,150.04
  5. Step 5: Solve for x
    x = 130,034,150.04/12,546.18
  6. Step 6: Final answer
    x = 10,364.44

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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.