Home / 11,235.04-15,483.36-8,085.76

Finding the Fourth Proportional to 11,235.04, 15,483.36 and 8,085.76

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Solution

The fourth proportional to 11,235.04, 15,483.36 and 8,085.76 is: 11,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.04 : 15,483.36 = 8,085.76 : x
  2. Step 2: Convert to fraction form
    11,235.04/15,483.36 = 8,085.76/x
  3. Step 3: Cross multiply
    11,235.04x = 15,483.36 × 8,085.76
  4. Step 4: Simplify right side
    11,235.04x = 125,194,732.95
  5. Step 5: Solve for x
    x = 125,194,732.95/11,235.04
  6. Step 6: Final answer
    x = 11,143.24

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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.