Home / 10,260.46-15,370.59-9,144.70

Finding the Fourth Proportional to 10,260.46, 15,370.59 and 9,144.70

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Solution

The fourth proportional to 10,260.46, 15,370.59 and 9,144.70 is: 13,699.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.46 : 15,370.59 = 9,144.70 : x
  2. Step 2: Convert to fraction form
    10,260.46/15,370.59 = 9,144.70/x
  3. Step 3: Cross multiply
    10,260.46x = 15,370.59 × 9,144.70
  4. Step 4: Simplify right side
    10,260.46x = 140,559,357.52
  5. Step 5: Solve for x
    x = 140,559,357.52/10,260.46
  6. Step 6: Final answer
    x = 13,699.13

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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.