Home / 14,387.04-21,583.22-5,621.42

Finding the Fourth Proportional to 14,387.04, 21,583.22 and 5,621.42

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Solution

The fourth proportional to 14,387.04, 21,583.22 and 5,621.42 is: 8,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.04 : 21,583.22 = 5,621.42 : x
  2. Step 2: Convert to fraction form
    14,387.04/21,583.22 = 5,621.42/x
  3. Step 3: Cross multiply
    14,387.04x = 21,583.22 × 5,621.42
  4. Step 4: Simplify right side
    14,387.04x = 121,328,344.57
  5. Step 5: Solve for x
    x = 121,328,344.57/14,387.04
  6. Step 6: Final answer
    x = 8,433.17

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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.