Home / 17,890.25-24,686.44-9,930.51

Finding the Fourth Proportional to 17,890.25, 24,686.44 and 9,930.51

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Solution

The fourth proportional to 17,890.25, 24,686.44 and 9,930.51 is: 13,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.25 : 24,686.44 = 9,930.51 : x
  2. Step 2: Convert to fraction form
    17,890.25/24,686.44 = 9,930.51/x
  3. Step 3: Cross multiply
    17,890.25x = 24,686.44 × 9,930.51
  4. Step 4: Simplify right side
    17,890.25x = 245,148,914.46
  5. Step 5: Solve for x
    x = 245,148,914.46/17,890.25
  6. Step 6: Final answer
    x = 13,702.94

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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.