Home / 17,565.02-26,356.18-8,203.68

Finding the Fourth Proportional to 17,565.02, 26,356.18 and 8,203.68

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Solution

The fourth proportional to 17,565.02, 26,356.18 and 8,203.68 is: 12,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.02 : 26,356.18 = 8,203.68 : x
  2. Step 2: Convert to fraction form
    17,565.02/26,356.18 = 8,203.68/x
  3. Step 3: Cross multiply
    17,565.02x = 26,356.18 × 8,203.68
  4. Step 4: Simplify right side
    17,565.02x = 216,217,666.74
  5. Step 5: Solve for x
    x = 216,217,666.74/17,565.02
  6. Step 6: Final answer
    x = 12,309.56

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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.