Home / 20,874.35-31,314.47-6,084.36

Finding the Fourth Proportional to 20,874.35, 31,314.47 and 6,084.36

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Solution

The fourth proportional to 20,874.35, 31,314.47 and 6,084.36 is: 9,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,874.35 : 31,314.47 = 6,084.36 : x
  2. Step 2: Convert to fraction form
    20,874.35/31,314.47 = 6,084.36/x
  3. Step 3: Cross multiply
    20,874.35x = 31,314.47 × 6,084.36
  4. Step 4: Simplify right side
    20,874.35x = 190,528,478.27
  5. Step 5: Solve for x
    x = 190,528,478.27/20,874.35
  6. Step 6: Final answer
    x = 9,127.40

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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.