Home / 15,370.50-21,207.53-10,255.96

Finding the Fourth Proportional to 15,370.50, 21,207.53 and 10,255.96

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Solution

The fourth proportional to 15,370.50, 21,207.53 and 10,255.96 is: 14,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.50 : 21,207.53 = 10,255.96 : x
  2. Step 2: Convert to fraction form
    15,370.50/21,207.53 = 10,255.96/x
  3. Step 3: Cross multiply
    15,370.50x = 21,207.53 × 10,255.96
  4. Step 4: Simplify right side
    15,370.50x = 217,503,631.53
  5. Step 5: Solve for x
    x = 217,503,631.53/15,370.50
  6. Step 6: Final answer
    x = 14,150.72

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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.