Home / 13,568.72-18,726.80-7,601.04

Finding the Fourth Proportional to 13,568.72, 18,726.80 and 7,601.04

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Solution

The fourth proportional to 13,568.72, 18,726.80 and 7,601.04 is: 10,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.72 : 18,726.80 = 7,601.04 : x
  2. Step 2: Convert to fraction form
    13,568.72/18,726.80 = 7,601.04/x
  3. Step 3: Cross multiply
    13,568.72x = 18,726.80 × 7,601.04
  4. Step 4: Simplify right side
    13,568.72x = 142,343,117.87
  5. Step 5: Solve for x
    x = 142,343,117.87/13,568.72
  6. Step 6: Final answer
    x = 10,490.54

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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.