Home / 10,120.26-13,966.20-5,583

Finding the Fourth Proportional to 10,120.26, 13,966.20 and 5,583

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Solution

The fourth proportional to 10,120.26, 13,966.20 and 5,583 is: 7,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120.26 : 13,966.20 = 5,583 : x
  2. Step 2: Convert to fraction form
    10,120.26/13,966.20 = 5,583/x
  3. Step 3: Cross multiply
    10,120.26x = 13,966.20 × 5,583
  4. Step 4: Simplify right side
    10,120.26x = 77,973,294.60
  5. Step 5: Solve for x
    x = 77,973,294.60/10,120.26
  6. Step 6: Final answer
    x = 7,704.67

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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.