Home / 14,423.32-21,617.46-6,621.40

Finding the Fourth Proportional to 14,423.32, 21,617.46 and 6,621.40

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Solution

The fourth proportional to 14,423.32, 21,617.46 and 6,621.40 is: 9,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.32 : 21,617.46 = 6,621.40 : x
  2. Step 2: Convert to fraction form
    14,423.32/21,617.46 = 6,621.40/x
  3. Step 3: Cross multiply
    14,423.32x = 21,617.46 × 6,621.40
  4. Step 4: Simplify right side
    14,423.32x = 143,137,849.64
  5. Step 5: Solve for x
    x = 143,137,849.64/14,423.32
  6. Step 6: Final answer
    x = 9,924.06

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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.