Home / 20,223.48-30,333.98-7,570.74

Finding the Fourth Proportional to 20,223.48, 30,333.98 and 7,570.74

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Solution

The fourth proportional to 20,223.48, 30,333.98 and 7,570.74 is: 11,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.48 : 30,333.98 = 7,570.74 : x
  2. Step 2: Convert to fraction form
    20,223.48/30,333.98 = 7,570.74/x
  3. Step 3: Cross multiply
    20,223.48x = 30,333.98 × 7,570.74
  4. Step 4: Simplify right side
    20,223.48x = 229,650,675.75
  5. Step 5: Solve for x
    x = 229,650,675.75/20,223.48
  6. Step 6: Final answer
    x = 11,355.65

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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.