Home / 11,278.16-16,908.12-4,709.24

Finding the Fourth Proportional to 11,278.16, 16,908.12 and 4,709.24

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Solution

The fourth proportional to 11,278.16, 16,908.12 and 4,709.24 is: 7,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.16 : 16,908.12 = 4,709.24 : x
  2. Step 2: Convert to fraction form
    11,278.16/16,908.12 = 4,709.24/x
  3. Step 3: Cross multiply
    11,278.16x = 16,908.12 × 4,709.24
  4. Step 4: Simplify right side
    11,278.16x = 79,624,395.03
  5. Step 5: Solve for x
    x = 79,624,395.03/11,278.16
  6. Step 6: Final answer
    x = 7,060.05

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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.