Home / 15,717.51-23,535.90-8,305.47

Finding the Fourth Proportional to 15,717.51, 23,535.90 and 8,305.47

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Solution

The fourth proportional to 15,717.51, 23,535.90 and 8,305.47 is: 12,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.51 : 23,535.90 = 8,305.47 : x
  2. Step 2: Convert to fraction form
    15,717.51/23,535.90 = 8,305.47/x
  3. Step 3: Cross multiply
    15,717.51x = 23,535.90 × 8,305.47
  4. Step 4: Simplify right side
    15,717.51x = 195,476,711.37
  5. Step 5: Solve for x
    x = 195,476,711.37/15,717.51
  6. Step 6: Final answer
    x = 12,436.88

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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.