Home / 13,348.30-20,000.46-4,578.40

Finding the Fourth Proportional to 13,348.30, 20,000.46 and 4,578.40

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Solution

The fourth proportional to 13,348.30, 20,000.46 and 4,578.40 is: 6,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.30 : 20,000.46 = 4,578.40 : x
  2. Step 2: Convert to fraction form
    13,348.30/20,000.46 = 4,578.40/x
  3. Step 3: Cross multiply
    13,348.30x = 20,000.46 × 4,578.40
  4. Step 4: Simplify right side
    13,348.30x = 91,570,106.06
  5. Step 5: Solve for x
    x = 91,570,106.06/13,348.30
  6. Step 6: Final answer
    x = 6,860.06

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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.