Home / 14,353.30-21,491.61-8,425.27

Finding the Fourth Proportional to 14,353.30, 21,491.61 and 8,425.27

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Solution

The fourth proportional to 14,353.30, 21,491.61 and 8,425.27 is: 12,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.30 : 21,491.61 = 8,425.27 : x
  2. Step 2: Convert to fraction form
    14,353.30/21,491.61 = 8,425.27/x
  3. Step 3: Cross multiply
    14,353.30x = 21,491.61 × 8,425.27
  4. Step 4: Simplify right side
    14,353.30x = 181,072,616.98
  5. Step 5: Solve for x
    x = 181,072,616.98/14,353.30
  6. Step 6: Final answer
    x = 12,615.40

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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.