Home / 16,979.69-23,430.93-9,425.58

Finding the Fourth Proportional to 16,979.69, 23,430.93 and 9,425.58

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Solution

The fourth proportional to 16,979.69, 23,430.93 and 9,425.58 is: 13,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.69 : 23,430.93 = 9,425.58 : x
  2. Step 2: Convert to fraction form
    16,979.69/23,430.93 = 9,425.58/x
  3. Step 3: Cross multiply
    16,979.69x = 23,430.93 × 9,425.58
  4. Step 4: Simplify right side
    16,979.69x = 220,850,113.78
  5. Step 5: Solve for x
    x = 220,850,113.78/16,979.69
  6. Step 6: Final answer
    x = 13,006.72

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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.