Home / 11,421.95-17,135.04-4,031.11

Finding the Fourth Proportional to 11,421.95, 17,135.04 and 4,031.11

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Solution

The fourth proportional to 11,421.95, 17,135.04 and 4,031.11 is: 6,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.95 : 17,135.04 = 4,031.11 : x
  2. Step 2: Convert to fraction form
    11,421.95/17,135.04 = 4,031.11/x
  3. Step 3: Cross multiply
    11,421.95x = 17,135.04 × 4,031.11
  4. Step 4: Simplify right side
    11,421.95x = 69,073,145.42
  5. Step 5: Solve for x
    x = 69,073,145.42/11,421.95
  6. Step 6: Final answer
    x = 6,047.40

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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.