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Finding the Fourth Proportional to 11,040, 15,235.86 and 6,260.13

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Solution

The fourth proportional to 11,040, 15,235.86 and 6,260.13 is: 8,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040 : 15,235.86 = 6,260.13 : x
  2. Step 2: Convert to fraction form
    11,040/15,235.86 = 6,260.13/x
  3. Step 3: Cross multiply
    11,040x = 15,235.86 × 6,260.13
  4. Step 4: Simplify right side
    11,040x = 95,378,464.26
  5. Step 5: Solve for x
    x = 95,378,464.26/11,040
  6. Step 6: Final answer
    x = 8,639.35

Related Problems

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.