Home / 20,610.15-30,919.07-9,366.28

Finding the Fourth Proportional to 20,610.15, 30,919.07 and 9,366.28

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Solution

The fourth proportional to 20,610.15, 30,919.07 and 9,366.28 is: 14,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610.15 : 30,919.07 = 9,366.28 : x
  2. Step 2: Convert to fraction form
    20,610.15/30,919.07 = 9,366.28/x
  3. Step 3: Cross multiply
    20,610.15x = 30,919.07 × 9,366.28
  4. Step 4: Simplify right side
    20,610.15x = 289,596,666.96
  5. Step 5: Solve for x
    x = 289,596,666.96/20,610.15
  6. Step 6: Final answer
    x = 14,051.17

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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.