Home / 20,923.53-31,370.25-9,824.05

Finding the Fourth Proportional to 20,923.53, 31,370.25 and 9,824.05

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Solution

The fourth proportional to 20,923.53, 31,370.25 and 9,824.05 is: 14,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.53 : 31,370.25 = 9,824.05 : x
  2. Step 2: Convert to fraction form
    20,923.53/31,370.25 = 9,824.05/x
  3. Step 3: Cross multiply
    20,923.53x = 31,370.25 × 9,824.05
  4. Step 4: Simplify right side
    20,923.53x = 308,182,980.57
  5. Step 5: Solve for x
    x = 308,182,980.57/20,923.53
  6. Step 6: Final answer
    x = 14,729.01

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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.