Home / 15,428.88-23,140.20-4,336.08

Finding the Fourth Proportional to 15,428.88, 23,140.20 and 4,336.08

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Solution

The fourth proportional to 15,428.88, 23,140.20 and 4,336.08 is: 6,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.88 : 23,140.20 = 4,336.08 : x
  2. Step 2: Convert to fraction form
    15,428.88/23,140.20 = 4,336.08/x
  3. Step 3: Cross multiply
    15,428.88x = 23,140.20 × 4,336.08
  4. Step 4: Simplify right side
    15,428.88x = 100,337,758.42
  5. Step 5: Solve for x
    x = 100,337,758.42/15,428.88
  6. Step 6: Final answer
    x = 6,503.24

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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.