Home / 9,983.24-14,977.74-4,138.76

Finding the Fourth Proportional to 9,983.24, 14,977.74 and 4,138.76

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Solution

The fourth proportional to 9,983.24, 14,977.74 and 4,138.76 is: 6,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.24 : 14,977.74 = 4,138.76 : x
  2. Step 2: Convert to fraction form
    9,983.24/14,977.74 = 4,138.76/x
  3. Step 3: Cross multiply
    9,983.24x = 14,977.74 × 4,138.76
  4. Step 4: Simplify right side
    9,983.24x = 61,989,271.20
  5. Step 5: Solve for x
    x = 61,989,271.20/9,983.24
  6. Step 6: Final answer
    x = 6,209.33

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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.