Home / 16,748.74-25,123.64-8,424.21

Finding the Fourth Proportional to 16,748.74, 25,123.64 and 8,424.21

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Solution

The fourth proportional to 16,748.74, 25,123.64 and 8,424.21 is: 12,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,748.74 : 25,123.64 = 8,424.21 : x
  2. Step 2: Convert to fraction form
    16,748.74/25,123.64 = 8,424.21/x
  3. Step 3: Cross multiply
    16,748.74x = 25,123.64 × 8,424.21
  4. Step 4: Simplify right side
    16,748.74x = 211,646,840.38
  5. Step 5: Solve for x
    x = 211,646,840.38/16,748.74
  6. Step 6: Final answer
    x = 12,636.58

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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.