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Finding the Fourth Proportional to 17,341.71, 26,011.47 and 4,861.47

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Solution

The fourth proportional to 17,341.71, 26,011.47 and 4,861.47 is: 7,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,341.71 : 26,011.47 = 4,861.47 : x
  2. Step 2: Convert to fraction form
    17,341.71/26,011.47 = 4,861.47/x
  3. Step 3: Cross multiply
    17,341.71x = 26,011.47 × 4,861.47
  4. Step 4: Simplify right side
    17,341.71x = 126,453,981.06
  5. Step 5: Solve for x
    x = 126,453,981.06/17,341.71
  6. Step 6: Final answer
    x = 7,291.90

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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.