Home / 10,880.39-15,023.41-8,358.53

Finding the Fourth Proportional to 10,880.39, 15,023.41 and 8,358.53

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Solution

The fourth proportional to 10,880.39, 15,023.41 and 8,358.53 is: 11,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.39 : 15,023.41 = 8,358.53 : x
  2. Step 2: Convert to fraction form
    10,880.39/15,023.41 = 8,358.53/x
  3. Step 3: Cross multiply
    10,880.39x = 15,023.41 × 8,358.53
  4. Step 4: Simplify right side
    10,880.39x = 125,573,527.17
  5. Step 5: Solve for x
    x = 125,573,527.17/10,880.39
  6. Step 6: Final answer
    x = 11,541.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.