Home / 10,089.34-15,135.56-3,517.40

Finding the Fourth Proportional to 10,089.34, 15,135.56 and 3,517.40

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Solution

The fourth proportional to 10,089.34, 15,135.56 and 3,517.40 is: 5,276.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.34 : 15,135.56 = 3,517.40 : x
  2. Step 2: Convert to fraction form
    10,089.34/15,135.56 = 3,517.40/x
  3. Step 3: Cross multiply
    10,089.34x = 15,135.56 × 3,517.40
  4. Step 4: Simplify right side
    10,089.34x = 53,237,818.74
  5. Step 5: Solve for x
    x = 53,237,818.74/10,089.34
  6. Step 6: Final answer
    x = 5,276.64

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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.