Home / 12,574.27-18,870.48-4,677.90

Finding the Fourth Proportional to 12,574.27, 18,870.48 and 4,677.90

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Solution

The fourth proportional to 12,574.27, 18,870.48 and 4,677.90 is: 7,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.27 : 18,870.48 = 4,677.90 : x
  2. Step 2: Convert to fraction form
    12,574.27/18,870.48 = 4,677.90/x
  3. Step 3: Cross multiply
    12,574.27x = 18,870.48 × 4,677.90
  4. Step 4: Simplify right side
    12,574.27x = 88,274,218.39
  5. Step 5: Solve for x
    x = 88,274,218.39/12,574.27
  6. Step 6: Final answer
    x = 7,020.23

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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.