Home / 16,979.50-23,430.62-9,425.98

Finding the Fourth Proportional to 16,979.50, 23,430.62 and 9,425.98

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Solution

The fourth proportional to 16,979.50, 23,430.62 and 9,425.98 is: 13,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.50 : 23,430.62 = 9,425.98 : x
  2. Step 2: Convert to fraction form
    16,979.50/23,430.62 = 9,425.98/x
  3. Step 3: Cross multiply
    16,979.50x = 23,430.62 × 9,425.98
  4. Step 4: Simplify right side
    16,979.50x = 220,856,555.51
  5. Step 5: Solve for x
    x = 220,856,555.51/16,979.50
  6. Step 6: Final answer
    x = 13,007.25

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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.