Home / 10,436.32-15,644.76-5,236.16

Finding the Fourth Proportional to 10,436.32, 15,644.76 and 5,236.16

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Solution

The fourth proportional to 10,436.32, 15,644.76 and 5,236.16 is: 7,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.32 : 15,644.76 = 5,236.16 : x
  2. Step 2: Convert to fraction form
    10,436.32/15,644.76 = 5,236.16/x
  3. Step 3: Cross multiply
    10,436.32x = 15,644.76 × 5,236.16
  4. Step 4: Simplify right side
    10,436.32x = 81,918,466.52
  5. Step 5: Solve for x
    x = 81,918,466.52/10,436.32
  6. Step 6: Final answer
    x = 7,849.36

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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.