Home / 12,488.25-17,237.23-7,455.87

Finding the Fourth Proportional to 12,488.25, 17,237.23 and 7,455.87

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Solution

The fourth proportional to 12,488.25, 17,237.23 and 7,455.87 is: 10,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.25 : 17,237.23 = 7,455.87 : x
  2. Step 2: Convert to fraction form
    12,488.25/17,237.23 = 7,455.87/x
  3. Step 3: Cross multiply
    12,488.25x = 17,237.23 × 7,455.87
  4. Step 4: Simplify right side
    12,488.25x = 128,518,546.04
  5. Step 5: Solve for x
    x = 128,518,546.04/12,488.25
  6. Step 6: Final answer
    x = 10,291.16

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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.