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Finding the Fourth Proportional to 9,238.86, 13,858.29 and 7,848.90

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Solution

The fourth proportional to 9,238.86, 13,858.29 and 7,848.90 is: 11,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.86 : 13,858.29 = 7,848.90 : x
  2. Step 2: Convert to fraction form
    9,238.86/13,858.29 = 7,848.90/x
  3. Step 3: Cross multiply
    9,238.86x = 13,858.29 × 7,848.90
  4. Step 4: Simplify right side
    9,238.86x = 108,772,332.38
  5. Step 5: Solve for x
    x = 108,772,332.38/9,238.86
  6. Step 6: Final answer
    x = 11,773.35

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Similar ratio
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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.