Home / 10,260.34-15,400.23-5,069.86

Finding the Fourth Proportional to 10,260.34, 15,400.23 and 5,069.86

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Solution

The fourth proportional to 10,260.34, 15,400.23 and 5,069.86 is: 7,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.34 : 15,400.23 = 5,069.86 : x
  2. Step 2: Convert to fraction form
    10,260.34/15,400.23 = 5,069.86/x
  3. Step 3: Cross multiply
    10,260.34x = 15,400.23 × 5,069.86
  4. Step 4: Simplify right side
    10,260.34x = 78,077,010.07
  5. Step 5: Solve for x
    x = 78,077,010.07/10,260.34
  6. Step 6: Final answer
    x = 7,609.59

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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.