Home / 17,330.66-23,920-10,953.18

Finding the Fourth Proportional to 17,330.66, 23,920 and 10,953.18

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Solution

The fourth proportional to 17,330.66, 23,920 and 10,953.18 is: 15,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,330.66 : 23,920 = 10,953.18 : x
  2. Step 2: Convert to fraction form
    17,330.66/23,920 = 10,953.18/x
  3. Step 3: Cross multiply
    17,330.66x = 23,920 × 10,953.18
  4. Step 4: Simplify right side
    17,330.66x = 262,000,065.60
  5. Step 5: Solve for x
    x = 262,000,065.60/17,330.66
  6. Step 6: Final answer
    x = 15,117.72

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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.