Home / 15,535.62-21,440.37-8,823.36

Finding the Fourth Proportional to 15,535.62, 21,440.37 and 8,823.36

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Solution

The fourth proportional to 15,535.62, 21,440.37 and 8,823.36 is: 12,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.62 : 21,440.37 = 8,823.36 : x
  2. Step 2: Convert to fraction form
    15,535.62/21,440.37 = 8,823.36/x
  3. Step 3: Cross multiply
    15,535.62x = 21,440.37 × 8,823.36
  4. Step 4: Simplify right side
    15,535.62x = 189,176,103.04
  5. Step 5: Solve for x
    x = 189,176,103.04/15,535.62
  6. Step 6: Final answer
    x = 12,176.93

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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.