Home / 14,929.08-20,610.66-9,900.13

Finding the Fourth Proportional to 14,929.08, 20,610.66 and 9,900.13

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Solution

The fourth proportional to 14,929.08, 20,610.66 and 9,900.13 is: 13,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.08 : 20,610.66 = 9,900.13 : x
  2. Step 2: Convert to fraction form
    14,929.08/20,610.66 = 9,900.13/x
  3. Step 3: Cross multiply
    14,929.08x = 20,610.66 × 9,900.13
  4. Step 4: Simplify right side
    14,929.08x = 204,048,213.39
  5. Step 5: Solve for x
    x = 204,048,213.39/14,929.08
  6. Step 6: Final answer
    x = 13,667.84

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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.