Home / 20,134.04-30,187.73-9,605.68

Finding the Fourth Proportional to 20,134.04, 30,187.73 and 9,605.68

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Solution

The fourth proportional to 20,134.04, 30,187.73 and 9,605.68 is: 14,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,134.04 : 30,187.73 = 9,605.68 : x
  2. Step 2: Convert to fraction form
    20,134.04/30,187.73 = 9,605.68/x
  3. Step 3: Cross multiply
    20,134.04x = 30,187.73 × 9,605.68
  4. Step 4: Simplify right side
    20,134.04x = 289,973,713.75
  5. Step 5: Solve for x
    x = 289,973,713.75/20,134.04
  6. Step 6: Final answer
    x = 14,402.16

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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.