Home / 18,870.80-26,041.44-10,373.28

Finding the Fourth Proportional to 18,870.80, 26,041.44 and 10,373.28

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Solution

The fourth proportional to 18,870.80, 26,041.44 and 10,373.28 is: 14,314.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.80 : 26,041.44 = 10,373.28 : x
  2. Step 2: Convert to fraction form
    18,870.80/26,041.44 = 10,373.28/x
  3. Step 3: Cross multiply
    18,870.80x = 26,041.44 × 10,373.28
  4. Step 4: Simplify right side
    18,870.80x = 270,135,148.72
  5. Step 5: Solve for x
    x = 270,135,148.72/18,870.80
  6. Step 6: Final answer
    x = 14,314.98

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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.