Home / 13,503.42-20,246.34-5,603.76

Finding the Fourth Proportional to 13,503.42, 20,246.34 and 5,603.76

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Solution

The fourth proportional to 13,503.42, 20,246.34 and 5,603.76 is: 8,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.42 : 20,246.34 = 5,603.76 : x
  2. Step 2: Convert to fraction form
    13,503.42/20,246.34 = 5,603.76/x
  3. Step 3: Cross multiply
    13,503.42x = 20,246.34 × 5,603.76
  4. Step 4: Simplify right side
    13,503.42x = 113,455,630.24
  5. Step 5: Solve for x
    x = 113,455,630.24/13,503.42
  6. Step 6: Final answer
    x = 8,401.99

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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.