Home / 20,975.64-31,463.55-6,184.74

Finding the Fourth Proportional to 20,975.64, 31,463.55 and 6,184.74

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Solution

The fourth proportional to 20,975.64, 31,463.55 and 6,184.74 is: 9,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,975.64 : 31,463.55 = 6,184.74 : x
  2. Step 2: Convert to fraction form
    20,975.64/31,463.55 = 6,184.74/x
  3. Step 3: Cross multiply
    20,975.64x = 31,463.55 × 6,184.74
  4. Step 4: Simplify right side
    20,975.64x = 194,593,876.23
  5. Step 5: Solve for x
    x = 194,593,876.23/20,975.64
  6. Step 6: Final answer
    x = 9,277.14

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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.