Home / 14,503.74-20,003.85-9,722.12

Finding the Fourth Proportional to 14,503.74, 20,003.85 and 9,722.12

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Solution

The fourth proportional to 14,503.74, 20,003.85 and 9,722.12 is: 13,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.74 : 20,003.85 = 9,722.12 : x
  2. Step 2: Convert to fraction form
    14,503.74/20,003.85 = 9,722.12/x
  3. Step 3: Cross multiply
    14,503.74x = 20,003.85 × 9,722.12
  4. Step 4: Simplify right side
    14,503.74x = 194,479,730.14
  5. Step 5: Solve for x
    x = 194,479,730.14/14,503.74
  6. Step 6: Final answer
    x = 13,408.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.