Home / 10,342.44-15,396.69-10,280.94

Finding the Fourth Proportional to 10,342.44, 15,396.69 and 10,280.94

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Solution

The fourth proportional to 10,342.44, 15,396.69 and 10,280.94 is: 15,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.44 : 15,396.69 = 10,280.94 : x
  2. Step 2: Convert to fraction form
    10,342.44/15,396.69 = 10,280.94/x
  3. Step 3: Cross multiply
    10,342.44x = 15,396.69 × 10,280.94
  4. Step 4: Simplify right side
    10,342.44x = 158,292,446.09
  5. Step 5: Solve for x
    x = 158,292,446.09/10,342.44
  6. Step 6: Final answer
    x = 15,305.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.