Home / 10,126.41-15,189.61-4,283.07

Finding the Fourth Proportional to 10,126.41, 15,189.61 and 4,283.07

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Solution

The fourth proportional to 10,126.41, 15,189.61 and 4,283.07 is: 6,424.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.41 : 15,189.61 = 4,283.07 : x
  2. Step 2: Convert to fraction form
    10,126.41/15,189.61 = 4,283.07/x
  3. Step 3: Cross multiply
    10,126.41x = 15,189.61 × 4,283.07
  4. Step 4: Simplify right side
    10,126.41x = 65,058,162.90
  5. Step 5: Solve for x
    x = 65,058,162.90/10,126.41
  6. Step 6: Final answer
    x = 6,424.60

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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.