Home / 10,286.49-15,430.56-3,713.34

Finding the Fourth Proportional to 10,286.49, 15,430.56 and 3,713.34

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Solution

The fourth proportional to 10,286.49, 15,430.56 and 3,713.34 is: 5,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.49 : 15,430.56 = 3,713.34 : x
  2. Step 2: Convert to fraction form
    10,286.49/15,430.56 = 3,713.34/x
  3. Step 3: Cross multiply
    10,286.49x = 15,430.56 × 3,713.34
  4. Step 4: Simplify right side
    10,286.49x = 57,298,915.67
  5. Step 5: Solve for x
    x = 57,298,915.67/10,286.49
  6. Step 6: Final answer
    x = 5,570.31

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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.