Home / 14,343.47-21,515.10-8,495.88

Finding the Fourth Proportional to 14,343.47, 21,515.10 and 8,495.88

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Solution

The fourth proportional to 14,343.47, 21,515.10 and 8,495.88 is: 12,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.47 : 21,515.10 = 8,495.88 : x
  2. Step 2: Convert to fraction form
    14,343.47/21,515.10 = 8,495.88/x
  3. Step 3: Cross multiply
    14,343.47x = 21,515.10 × 8,495.88
  4. Step 4: Simplify right side
    14,343.47x = 182,789,707.79
  5. Step 5: Solve for x
    x = 182,789,707.79/14,343.47
  6. Step 6: Final answer
    x = 12,743.76

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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.