Home / 11,152.24-15,389.52-6,436.24

Finding the Fourth Proportional to 11,152.24, 15,389.52 and 6,436.24

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Solution

The fourth proportional to 11,152.24, 15,389.52 and 6,436.24 is: 8,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.24 : 15,389.52 = 6,436.24 : x
  2. Step 2: Convert to fraction form
    11,152.24/15,389.52 = 6,436.24/x
  3. Step 3: Cross multiply
    11,152.24x = 15,389.52 × 6,436.24
  4. Step 4: Simplify right side
    11,152.24x = 99,050,644.20
  5. Step 5: Solve for x
    x = 99,050,644.20/11,152.24
  6. Step 6: Final answer
    x = 8,881.68

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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.