Home / 12,809.64-17,681.25-7,506.18

Finding the Fourth Proportional to 12,809.64, 17,681.25 and 7,506.18

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Solution

The fourth proportional to 12,809.64, 17,681.25 and 7,506.18 is: 10,360.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,809.64 : 17,681.25 = 7,506.18 : x
  2. Step 2: Convert to fraction form
    12,809.64/17,681.25 = 7,506.18/x
  3. Step 3: Cross multiply
    12,809.64x = 17,681.25 × 7,506.18
  4. Step 4: Simplify right side
    12,809.64x = 132,718,645.13
  5. Step 5: Solve for x
    x = 132,718,645.13/12,809.64
  6. Step 6: Final answer
    x = 10,360.84

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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.