Home / 20,805.48-31,203.60-6,011.16

Finding the Fourth Proportional to 20,805.48, 31,203.60 and 6,011.16

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Solution

The fourth proportional to 20,805.48, 31,203.60 and 6,011.16 is: 9,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,805.48 : 31,203.60 = 6,011.16 : x
  2. Step 2: Convert to fraction form
    20,805.48/31,203.60 = 6,011.16/x
  3. Step 3: Cross multiply
    20,805.48x = 31,203.60 × 6,011.16
  4. Step 4: Simplify right side
    20,805.48x = 187,569,832.18
  5. Step 5: Solve for x
    x = 187,569,832.18/20,805.48
  6. Step 6: Final answer
    x = 9,015.41

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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.