Home / 12,160.86-18,244.14-5,141.50

Finding the Fourth Proportional to 12,160.86, 18,244.14 and 5,141.50

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Solution

The fourth proportional to 12,160.86, 18,244.14 and 5,141.50 is: 7,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.86 : 18,244.14 = 5,141.50 : x
  2. Step 2: Convert to fraction form
    12,160.86/18,244.14 = 5,141.50/x
  3. Step 3: Cross multiply
    12,160.86x = 18,244.14 × 5,141.50
  4. Step 4: Simplify right side
    12,160.86x = 93,802,232.23
  5. Step 5: Solve for x
    x = 93,802,232.23/12,160.86
  6. Step 6: Final answer
    x = 7,713.45

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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.