Home / 11,257.19-15,534.92-6,289.19

Finding the Fourth Proportional to 11,257.19, 15,534.92 and 6,289.19

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Solution

The fourth proportional to 11,257.19, 15,534.92 and 6,289.19 is: 8,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.19 : 15,534.92 = 6,289.19 : x
  2. Step 2: Convert to fraction form
    11,257.19/15,534.92 = 6,289.19/x
  3. Step 3: Cross multiply
    11,257.19x = 15,534.92 × 6,289.19
  4. Step 4: Simplify right side
    11,257.19x = 97,702,063.51
  5. Step 5: Solve for x
    x = 97,702,063.51/11,257.19
  6. Step 6: Final answer
    x = 8,679.08

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Half scale
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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.