Home / 11,351.15-17,025.47-3,031.89

Finding the Fourth Proportional to 11,351.15, 17,025.47 and 3,031.89

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Solution

The fourth proportional to 11,351.15, 17,025.47 and 3,031.89 is: 4,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.15 : 17,025.47 = 3,031.89 : x
  2. Step 2: Convert to fraction form
    11,351.15/17,025.47 = 3,031.89/x
  3. Step 3: Cross multiply
    11,351.15x = 17,025.47 × 3,031.89
  4. Step 4: Simplify right side
    11,351.15x = 51,619,352.24
  5. Step 5: Solve for x
    x = 51,619,352.24/11,351.15
  6. Step 6: Final answer
    x = 4,547.50

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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.