Home / 12,551.19-17,323.80-7,516.65

Finding the Fourth Proportional to 12,551.19, 17,323.80 and 7,516.65

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Solution

The fourth proportional to 12,551.19, 17,323.80 and 7,516.65 is: 10,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.19 : 17,323.80 = 7,516.65 : x
  2. Step 2: Convert to fraction form
    12,551.19/17,323.80 = 7,516.65/x
  3. Step 3: Cross multiply
    12,551.19x = 17,323.80 × 7,516.65
  4. Step 4: Simplify right side
    12,551.19x = 130,216,941.27
  5. Step 5: Solve for x
    x = 130,216,941.27/12,551.19
  6. Step 6: Final answer
    x = 10,374.87

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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.