Home / 13,880.23-20,823.68-4,020.19

Finding the Fourth Proportional to 13,880.23, 20,823.68 and 4,020.19

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Solution

The fourth proportional to 13,880.23, 20,823.68 and 4,020.19 is: 6,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.23 : 20,823.68 = 4,020.19 : x
  2. Step 2: Convert to fraction form
    13,880.23/20,823.68 = 4,020.19/x
  3. Step 3: Cross multiply
    13,880.23x = 20,823.68 × 4,020.19
  4. Step 4: Simplify right side
    13,880.23x = 83,715,150.10
  5. Step 5: Solve for x
    x = 83,715,150.10/13,880.23
  6. Step 6: Final answer
    x = 6,031.25

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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.