Home / 36,013.80-54,023.40-9,718.68

Finding the Fourth Proportional to 36,013.80, 54,023.40 and 9,718.68

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Solution

The fourth proportional to 36,013.80, 54,023.40 and 9,718.68 is: 14,578.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,013.80 : 54,023.40 = 9,718.68 : x
  2. Step 2: Convert to fraction form
    36,013.80/54,023.40 = 9,718.68/x
  3. Step 3: Cross multiply
    36,013.80x = 54,023.40 × 9,718.68
  4. Step 4: Simplify right side
    36,013.80x = 525,036,137.11
  5. Step 5: Solve for x
    x = 525,036,137.11/36,013.80
  6. Step 6: Final answer
    x = 14,578.75

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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.