Home / 12,448.14-18,677.88-4,657.56

Finding the Fourth Proportional to 12,448.14, 18,677.88 and 4,657.56

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Solution

The fourth proportional to 12,448.14, 18,677.88 and 4,657.56 is: 6,988.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.14 : 18,677.88 = 4,657.56 : x
  2. Step 2: Convert to fraction form
    12,448.14/18,677.88 = 4,657.56/x
  3. Step 3: Cross multiply
    12,448.14x = 18,677.88 × 4,657.56
  4. Step 4: Simplify right side
    12,448.14x = 86,993,346.77
  5. Step 5: Solve for x
    x = 86,993,346.77/12,448.14
  6. Step 6: Final answer
    x = 6,988.46

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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.