Home / 10,317.03-15,477.95-8,216.61

Finding the Fourth Proportional to 10,317.03, 15,477.95 and 8,216.61

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Solution

The fourth proportional to 10,317.03, 15,477.95 and 8,216.61 is: 12,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.03 : 15,477.95 = 8,216.61 : x
  2. Step 2: Convert to fraction form
    10,317.03/15,477.95 = 8,216.61/x
  3. Step 3: Cross multiply
    10,317.03x = 15,477.95 × 8,216.61
  4. Step 4: Simplify right side
    10,317.03x = 127,176,160.28
  5. Step 5: Solve for x
    x = 127,176,160.28/10,317.03
  6. Step 6: Final answer
    x = 12,326.82

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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.