Home / 11,021.64-15,209.14-6,545.16

Finding the Fourth Proportional to 11,021.64, 15,209.14 and 6,545.16

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Solution

The fourth proportional to 11,021.64, 15,209.14 and 6,545.16 is: 9,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.64 : 15,209.14 = 6,545.16 : x
  2. Step 2: Convert to fraction form
    11,021.64/15,209.14 = 6,545.16/x
  3. Step 3: Cross multiply
    11,021.64x = 15,209.14 × 6,545.16
  4. Step 4: Simplify right side
    11,021.64x = 99,546,254.76
  5. Step 5: Solve for x
    x = 99,546,254.76/11,021.64
  6. Step 6: Final answer
    x = 9,031.89

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1.5x scale

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.