Home / 15,005.32-22,506.60-13,830.82

Finding the Fourth Proportional to 15,005.32, 22,506.60 and 13,830.82

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Solution

The fourth proportional to 15,005.32, 22,506.60 and 13,830.82 is: 20,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,005.32 : 22,506.60 = 13,830.82 : x
  2. Step 2: Convert to fraction form
    15,005.32/22,506.60 = 13,830.82/x
  3. Step 3: Cross multiply
    15,005.32x = 22,506.60 × 13,830.82
  4. Step 4: Simplify right side
    15,005.32x = 311,284,733.41
  5. Step 5: Solve for x
    x = 311,284,733.41/15,005.32
  6. Step 6: Final answer
    x = 20,744.96

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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.