Home / 11,031.89-16,556.03-4,458.13

Finding the Fourth Proportional to 11,031.89, 16,556.03 and 4,458.13

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Solution

The fourth proportional to 11,031.89, 16,556.03 and 4,458.13 is: 6,690.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.89 : 16,556.03 = 4,458.13 : x
  2. Step 2: Convert to fraction form
    11,031.89/16,556.03 = 4,458.13/x
  3. Step 3: Cross multiply
    11,031.89x = 16,556.03 × 4,458.13
  4. Step 4: Simplify right side
    11,031.89x = 73,808,870.34
  5. Step 5: Solve for x
    x = 73,808,870.34/11,031.89
  6. Step 6: Final answer
    x = 6,690.50

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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.