Home / 14,217.14-19,620.24-7,929.50

Finding the Fourth Proportional to 14,217.14, 19,620.24 and 7,929.50

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Solution

The fourth proportional to 14,217.14, 19,620.24 and 7,929.50 is: 10,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.14 : 19,620.24 = 7,929.50 : x
  2. Step 2: Convert to fraction form
    14,217.14/19,620.24 = 7,929.50/x
  3. Step 3: Cross multiply
    14,217.14x = 19,620.24 × 7,929.50
  4. Step 4: Simplify right side
    14,217.14x = 155,578,693.08
  5. Step 5: Solve for x
    x = 155,578,693.08/14,217.14
  6. Step 6: Final answer
    x = 10,943.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.