Home / 17,056.50-23,530.38-9,979.80

Finding the Fourth Proportional to 17,056.50, 23,530.38 and 9,979.80

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Solution

The fourth proportional to 17,056.50, 23,530.38 and 9,979.80 is: 13,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,056.50 : 23,530.38 = 9,979.80 : x
  2. Step 2: Convert to fraction form
    17,056.50/23,530.38 = 9,979.80/x
  3. Step 3: Cross multiply
    17,056.50x = 23,530.38 × 9,979.80
  4. Step 4: Simplify right side
    17,056.50x = 234,828,486.32
  5. Step 5: Solve for x
    x = 234,828,486.32/17,056.50
  6. Step 6: Final answer
    x = 13,767.68

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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.