Home / 13,223.58-19,841.85-5,432.46

Finding the Fourth Proportional to 13,223.58, 19,841.85 and 5,432.46

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Solution

The fourth proportional to 13,223.58, 19,841.85 and 5,432.46 is: 8,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.58 : 19,841.85 = 5,432.46 : x
  2. Step 2: Convert to fraction form
    13,223.58/19,841.85 = 5,432.46/x
  3. Step 3: Cross multiply
    13,223.58x = 19,841.85 × 5,432.46
  4. Step 4: Simplify right side
    13,223.58x = 107,790,056.45
  5. Step 5: Solve for x
    x = 107,790,056.45/13,223.58
  6. Step 6: Final answer
    x = 8,151.35

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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.