Home / 10,366.79-15,506.44-7,042.55

Finding the Fourth Proportional to 10,366.79, 15,506.44 and 7,042.55

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Solution

The fourth proportional to 10,366.79, 15,506.44 and 7,042.55 is: 10,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.79 : 15,506.44 = 7,042.55 : x
  2. Step 2: Convert to fraction form
    10,366.79/15,506.44 = 7,042.55/x
  3. Step 3: Cross multiply
    10,366.79x = 15,506.44 × 7,042.55
  4. Step 4: Simplify right side
    10,366.79x = 109,204,783.88
  5. Step 5: Solve for x
    x = 109,204,783.88/10,366.79
  6. Step 6: Final answer
    x = 10,534.10

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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.