Home / 14,305.57-21,423.72-7,267.07

Finding the Fourth Proportional to 14,305.57, 21,423.72 and 7,267.07

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Solution

The fourth proportional to 14,305.57, 21,423.72 and 7,267.07 is: 10,883.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.57 : 21,423.72 = 7,267.07 : x
  2. Step 2: Convert to fraction form
    14,305.57/21,423.72 = 7,267.07/x
  3. Step 3: Cross multiply
    14,305.57x = 21,423.72 × 7,267.07
  4. Step 4: Simplify right side
    14,305.57x = 155,687,672.90
  5. Step 5: Solve for x
    x = 155,687,672.90/14,305.57
  6. Step 6: Final answer
    x = 10,883.01

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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.