Home / 12,329.87-18,497.90-7,070.82

Finding the Fourth Proportional to 12,329.87, 18,497.90 and 7,070.82

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Solution

The fourth proportional to 12,329.87, 18,497.90 and 7,070.82 is: 10,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,329.87 : 18,497.90 = 7,070.82 : x
  2. Step 2: Convert to fraction form
    12,329.87/18,497.90 = 7,070.82/x
  3. Step 3: Cross multiply
    12,329.87x = 18,497.90 × 7,070.82
  4. Step 4: Simplify right side
    12,329.87x = 130,795,365.23
  5. Step 5: Solve for x
    x = 130,795,365.23/12,329.87
  6. Step 6: Final answer
    x = 10,608.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.