Home / 10,427.79-15,641.67-2,636.60

Finding the Fourth Proportional to 10,427.79, 15,641.67 and 2,636.60

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Solution

The fourth proportional to 10,427.79, 15,641.67 and 2,636.60 is: 3,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.79 : 15,641.67 = 2,636.60 : x
  2. Step 2: Convert to fraction form
    10,427.79/15,641.67 = 2,636.60/x
  3. Step 3: Cross multiply
    10,427.79x = 15,641.67 × 2,636.60
  4. Step 4: Simplify right side
    10,427.79x = 41,240,748.91
  5. Step 5: Solve for x
    x = 41,240,748.91/10,427.79
  6. Step 6: Final answer
    x = 3,954.89

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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.