Home / 15,046.27-20,758.46-9,075.76

Finding the Fourth Proportional to 15,046.27, 20,758.46 and 9,075.76

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Solution

The fourth proportional to 15,046.27, 20,758.46 and 9,075.76 is: 12,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.27 : 20,758.46 = 9,075.76 : x
  2. Step 2: Convert to fraction form
    15,046.27/20,758.46 = 9,075.76/x
  3. Step 3: Cross multiply
    15,046.27x = 20,758.46 × 9,075.76
  4. Step 4: Simplify right side
    15,046.27x = 188,398,703.65
  5. Step 5: Solve for x
    x = 188,398,703.65/15,046.27
  6. Step 6: Final answer
    x = 12,521.29

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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.