Home / 14,313.84-21,451.32-7,393.20

Finding the Fourth Proportional to 14,313.84, 21,451.32 and 7,393.20

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Solution

The fourth proportional to 14,313.84, 21,451.32 and 7,393.20 is: 11,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.84 : 21,451.32 = 7,393.20 : x
  2. Step 2: Convert to fraction form
    14,313.84/21,451.32 = 7,393.20/x
  3. Step 3: Cross multiply
    14,313.84x = 21,451.32 × 7,393.20
  4. Step 4: Simplify right side
    14,313.84x = 158,593,899.02
  5. Step 5: Solve for x
    x = 158,593,899.02/14,313.84
  6. Step 6: Final answer
    x = 11,079.76

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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.