Home / 15,519.12-23,274.90-4,426.80

Finding the Fourth Proportional to 15,519.12, 23,274.90 and 4,426.80

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Solution

The fourth proportional to 15,519.12, 23,274.90 and 4,426.80 is: 6,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519.12 : 23,274.90 = 4,426.80 : x
  2. Step 2: Convert to fraction form
    15,519.12/23,274.90 = 4,426.80/x
  3. Step 3: Cross multiply
    15,519.12x = 23,274.90 × 4,426.80
  4. Step 4: Simplify right side
    15,519.12x = 103,033,327.32
  5. Step 5: Solve for x
    x = 103,033,327.32/15,519.12
  6. Step 6: Final answer
    x = 6,639.12

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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.