Home / 13,929.02-20,891.47-4,065.65

Finding the Fourth Proportional to 13,929.02, 20,891.47 and 4,065.65

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Solution

The fourth proportional to 13,929.02, 20,891.47 and 4,065.65 is: 6,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.02 : 20,891.47 = 4,065.65 : x
  2. Step 2: Convert to fraction form
    13,929.02/20,891.47 = 4,065.65/x
  3. Step 3: Cross multiply
    13,929.02x = 20,891.47 × 4,065.65
  4. Step 4: Simplify right side
    13,929.02x = 84,937,405.01
  5. Step 5: Solve for x
    x = 84,937,405.01/13,929.02
  6. Step 6: Final answer
    x = 6,097.87

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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.