Home / 12,322.96-17,005.80-7,017.70

Finding the Fourth Proportional to 12,322.96, 17,005.80 and 7,017.70

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Solution

The fourth proportional to 12,322.96, 17,005.80 and 7,017.70 is: 9,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.96 : 17,005.80 = 7,017.70 : x
  2. Step 2: Convert to fraction form
    12,322.96/17,005.80 = 7,017.70/x
  3. Step 3: Cross multiply
    12,322.96x = 17,005.80 × 7,017.70
  4. Step 4: Simplify right side
    12,322.96x = 119,341,602.66
  5. Step 5: Solve for x
    x = 119,341,602.66/12,322.96
  6. Step 6: Final answer
    x = 9,684.49

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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.