Home / 11,423.40-17,138.34-6,925.47

Finding the Fourth Proportional to 11,423.40, 17,138.34 and 6,925.47

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Solution

The fourth proportional to 11,423.40, 17,138.34 and 6,925.47 is: 10,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.40 : 17,138.34 = 6,925.47 : x
  2. Step 2: Convert to fraction form
    11,423.40/17,138.34 = 6,925.47/x
  3. Step 3: Cross multiply
    11,423.40x = 17,138.34 × 6,925.47
  4. Step 4: Simplify right side
    11,423.40x = 118,691,059.52
  5. Step 5: Solve for x
    x = 118,691,059.52/11,423.40
  6. Step 6: Final answer
    x = 10,390.17

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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.