Home / 20,924.87-31,360.58-9,807.06

Finding the Fourth Proportional to 20,924.87, 31,360.58 and 9,807.06

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Solution

The fourth proportional to 20,924.87, 31,360.58 and 9,807.06 is: 14,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.87 : 31,360.58 = 9,807.06 : x
  2. Step 2: Convert to fraction form
    20,924.87/31,360.58 = 9,807.06/x
  3. Step 3: Cross multiply
    20,924.87x = 31,360.58 × 9,807.06
  4. Step 4: Simplify right side
    20,924.87x = 307,555,073.80
  5. Step 5: Solve for x
    x = 307,555,073.80/20,924.87
  6. Step 6: Final answer
    x = 14,698.07

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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.