Home / 20,762.93-31,149.56-5,972.84

Finding the Fourth Proportional to 20,762.93, 31,149.56 and 5,972.84

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Solution

The fourth proportional to 20,762.93, 31,149.56 and 5,972.84 is: 8,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,762.93 : 31,149.56 = 5,972.84 : x
  2. Step 2: Convert to fraction form
    20,762.93/31,149.56 = 5,972.84/x
  3. Step 3: Cross multiply
    20,762.93x = 31,149.56 × 5,972.84
  4. Step 4: Simplify right side
    20,762.93x = 186,051,313.95
  5. Step 5: Solve for x
    x = 186,051,313.95/20,762.93
  6. Step 6: Final answer
    x = 8,960.74

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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.