Home / 13,747.28-20,591.73-9,307.67

Finding the Fourth Proportional to 13,747.28, 20,591.73 and 9,307.67

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Solution

The fourth proportional to 13,747.28, 20,591.73 and 9,307.67 is: 13,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.28 : 20,591.73 = 9,307.67 : x
  2. Step 2: Convert to fraction form
    13,747.28/20,591.73 = 9,307.67/x
  3. Step 3: Cross multiply
    13,747.28x = 20,591.73 × 9,307.67
  4. Step 4: Simplify right side
    13,747.28x = 191,660,924.61
  5. Step 5: Solve for x
    x = 191,660,924.61/13,747.28
  6. Step 6: Final answer
    x = 13,941.74

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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.