Home / 10,840.48-16,317.72-8,275.36

Finding the Fourth Proportional to 10,840.48, 16,317.72 and 8,275.36

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Solution

The fourth proportional to 10,840.48, 16,317.72 and 8,275.36 is: 12,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.48 : 16,317.72 = 8,275.36 : x
  2. Step 2: Convert to fraction form
    10,840.48/16,317.72 = 8,275.36/x
  3. Step 3: Cross multiply
    10,840.48x = 16,317.72 × 8,275.36
  4. Step 4: Simplify right side
    10,840.48x = 135,035,007.38
  5. Step 5: Solve for x
    x = 135,035,007.38/10,840.48
  6. Step 6: Final answer
    x = 12,456.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.