Home / 20,615.85-30,925.98-6,572.57

Finding the Fourth Proportional to 20,615.85, 30,925.98 and 6,572.57

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Solution

The fourth proportional to 20,615.85, 30,925.98 and 6,572.57 is: 9,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,615.85 : 30,925.98 = 6,572.57 : x
  2. Step 2: Convert to fraction form
    20,615.85/30,925.98 = 6,572.57/x
  3. Step 3: Cross multiply
    20,615.85x = 30,925.98 × 6,572.57
  4. Step 4: Simplify right side
    20,615.85x = 203,263,013.74
  5. Step 5: Solve for x
    x = 203,263,013.74/20,615.85
  6. Step 6: Final answer
    x = 9,859.55

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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.