Home / 13,569.39-20,321.08-9,397.69

Finding the Fourth Proportional to 13,569.39, 20,321.08 and 9,397.69

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Solution

The fourth proportional to 13,569.39, 20,321.08 and 9,397.69 is: 14,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.39 : 20,321.08 = 9,397.69 : x
  2. Step 2: Convert to fraction form
    13,569.39/20,321.08 = 9,397.69/x
  3. Step 3: Cross multiply
    13,569.39x = 20,321.08 × 9,397.69
  4. Step 4: Simplify right side
    13,569.39x = 190,971,136.01
  5. Step 5: Solve for x
    x = 190,971,136.01/13,569.39
  6. Step 6: Final answer
    x = 14,073.67

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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.