Home / 12,726.65-17,544.21-8,938.46

Finding the Fourth Proportional to 12,726.65, 17,544.21 and 8,938.46

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Solution

The fourth proportional to 12,726.65, 17,544.21 and 8,938.46 is: 12,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726.65 : 17,544.21 = 8,938.46 : x
  2. Step 2: Convert to fraction form
    12,726.65/17,544.21 = 8,938.46/x
  3. Step 3: Cross multiply
    12,726.65x = 17,544.21 × 8,938.46
  4. Step 4: Simplify right side
    12,726.65x = 156,818,219.32
  5. Step 5: Solve for x
    x = 156,818,219.32/12,726.65
  6. Step 6: Final answer
    x = 12,322.03

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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.