Home / 15,607.72-23,418.48-8,210.52

Finding the Fourth Proportional to 15,607.72, 23,418.48 and 8,210.52

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Solution

The fourth proportional to 15,607.72, 23,418.48 and 8,210.52 is: 12,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.72 : 23,418.48 = 8,210.52 : x
  2. Step 2: Convert to fraction form
    15,607.72/23,418.48 = 8,210.52/x
  3. Step 3: Cross multiply
    15,607.72x = 23,418.48 × 8,210.52
  4. Step 4: Simplify right side
    15,607.72x = 192,277,898.41
  5. Step 5: Solve for x
    x = 192,277,898.41/15,607.72
  6. Step 6: Final answer
    x = 12,319.41

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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.