Home / 9,384.32-14,067.48-3,140.90

Finding the Fourth Proportional to 9,384.32, 14,067.48 and 3,140.90

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Solution

The fourth proportional to 9,384.32, 14,067.48 and 3,140.90 is: 4,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.32 : 14,067.48 = 3,140.90 : x
  2. Step 2: Convert to fraction form
    9,384.32/14,067.48 = 3,140.90/x
  3. Step 3: Cross multiply
    9,384.32x = 14,067.48 × 3,140.90
  4. Step 4: Simplify right side
    9,384.32x = 44,184,547.93
  5. Step 5: Solve for x
    x = 44,184,547.93/9,384.32
  6. Step 6: Final answer
    x = 4,708.34

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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.