Home / 10,427.06-15,641.26-4,186.25

Finding the Fourth Proportional to 10,427.06, 15,641.26 and 4,186.25

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Solution

The fourth proportional to 10,427.06, 15,641.26 and 4,186.25 is: 6,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.06 : 15,641.26 = 4,186.25 : x
  2. Step 2: Convert to fraction form
    10,427.06/15,641.26 = 4,186.25/x
  3. Step 3: Cross multiply
    10,427.06x = 15,641.26 × 4,186.25
  4. Step 4: Simplify right side
    10,427.06x = 65,478,206.43
  5. Step 5: Solve for x
    x = 65,478,206.43/10,427.06
  6. Step 6: Final answer
    x = 6,279.64

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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.