Home / 14,538.84-21,807.10-5,178.44

Finding the Fourth Proportional to 14,538.84, 21,807.10 and 5,178.44

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Solution

The fourth proportional to 14,538.84, 21,807.10 and 5,178.44 is: 7,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.84 : 21,807.10 = 5,178.44 : x
  2. Step 2: Convert to fraction form
    14,538.84/21,807.10 = 5,178.44/x
  3. Step 3: Cross multiply
    14,538.84x = 21,807.10 × 5,178.44
  4. Step 4: Simplify right side
    14,538.84x = 112,926,758.92
  5. Step 5: Solve for x
    x = 112,926,758.92/14,538.84
  6. Step 6: Final answer
    x = 7,767.25

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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.