Home / 17,330.85-23,915.45-9,878.37

Finding the Fourth Proportional to 17,330.85, 23,915.45 and 9,878.37

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Solution

The fourth proportional to 17,330.85, 23,915.45 and 9,878.37 is: 13,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,330.85 : 23,915.45 = 9,878.37 : x
  2. Step 2: Convert to fraction form
    17,330.85/23,915.45 = 9,878.37/x
  3. Step 3: Cross multiply
    17,330.85x = 23,915.45 × 9,878.37
  4. Step 4: Simplify right side
    17,330.85x = 236,245,663.82
  5. Step 5: Solve for x
    x = 236,245,663.82/17,330.85
  6. Step 6: Final answer
    x = 13,631.51

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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.