Home / 14,221.08-21,343.23-10,065.11

Finding the Fourth Proportional to 14,221.08, 21,343.23 and 10,065.11

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Solution

The fourth proportional to 14,221.08, 21,343.23 and 10,065.11 is: 15,105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.08 : 21,343.23 = 10,065.11 : x
  2. Step 2: Convert to fraction form
    14,221.08/21,343.23 = 10,065.11/x
  3. Step 3: Cross multiply
    14,221.08x = 21,343.23 × 10,065.11
  4. Step 4: Simplify right side
    14,221.08x = 214,822,011.06
  5. Step 5: Solve for x
    x = 214,822,011.06/14,221.08
  6. Step 6: Final answer
    x = 15,105.89

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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.