Home / 15,370.56-23,090.40-8,441.28

Finding the Fourth Proportional to 15,370.56, 23,090.40 and 8,441.28

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Solution

The fourth proportional to 15,370.56, 23,090.40 and 8,441.28 is: 12,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.56 : 23,090.40 = 8,441.28 : x
  2. Step 2: Convert to fraction form
    15,370.56/23,090.40 = 8,441.28/x
  3. Step 3: Cross multiply
    15,370.56x = 23,090.40 × 8,441.28
  4. Step 4: Simplify right side
    15,370.56x = 194,912,531.71
  5. Step 5: Solve for x
    x = 194,912,531.71/15,370.56
  6. Step 6: Final answer
    x = 12,680.90

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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.