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Finding the Fourth Proportional to 17,340.76, 23,930.40 and 11,053

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Solution

The fourth proportional to 17,340.76, 23,930.40 and 11,053 is: 15,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,340.76 : 23,930.40 = 11,053 : x
  2. Step 2: Convert to fraction form
    17,340.76/23,930.40 = 11,053/x
  3. Step 3: Cross multiply
    17,340.76x = 23,930.40 × 11,053
  4. Step 4: Simplify right side
    17,340.76x = 264,502,711.20
  5. Step 5: Solve for x
    x = 264,502,711.20/17,340.76
  6. Step 6: Final answer
    x = 15,253.24

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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.