Home / 15,415.29-23,122.58-8,836.65

Finding the Fourth Proportional to 15,415.29, 23,122.58 and 8,836.65

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Solution

The fourth proportional to 15,415.29, 23,122.58 and 8,836.65 is: 13,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.29 : 23,122.58 = 8,836.65 : x
  2. Step 2: Convert to fraction form
    15,415.29/23,122.58 = 8,836.65/x
  3. Step 3: Cross multiply
    15,415.29x = 23,122.58 × 8,836.65
  4. Step 4: Simplify right side
    15,415.29x = 204,326,102.37
  5. Step 5: Solve for x
    x = 204,326,102.37/15,415.29
  6. Step 6: Final answer
    x = 13,254.77

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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.