Home / 17,540.55-26,316.90-7,686.90

Finding the Fourth Proportional to 17,540.55, 26,316.90 and 7,686.90

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Solution

The fourth proportional to 17,540.55, 26,316.90 and 7,686.90 is: 11,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.55 : 26,316.90 = 7,686.90 : x
  2. Step 2: Convert to fraction form
    17,540.55/26,316.90 = 7,686.90/x
  3. Step 3: Cross multiply
    17,540.55x = 26,316.90 × 7,686.90
  4. Step 4: Simplify right side
    17,540.55x = 202,295,378.61
  5. Step 5: Solve for x
    x = 202,295,378.61/17,540.55
  6. Step 6: Final answer
    x = 11,533.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.