Home / 15,317.81-22,956.26-8,187.43

Finding the Fourth Proportional to 15,317.81, 22,956.26 and 8,187.43

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Solution

The fourth proportional to 15,317.81, 22,956.26 and 8,187.43 is: 12,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,317.81 : 22,956.26 = 8,187.43 : x
  2. Step 2: Convert to fraction form
    15,317.81/22,956.26 = 8,187.43/x
  3. Step 3: Cross multiply
    15,317.81x = 22,956.26 × 8,187.43
  4. Step 4: Simplify right side
    15,317.81x = 187,952,673.48
  5. Step 5: Solve for x
    x = 187,952,673.48/15,317.81
  6. Step 6: Final answer
    x = 12,270.21

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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.