Home / 19,325.99-26,649.20-12,141.70

Finding the Fourth Proportional to 19,325.99, 26,649.20 and 12,141.70

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Solution

The fourth proportional to 19,325.99, 26,649.20 and 12,141.70 is: 16,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.99 : 26,649.20 = 12,141.70 : x
  2. Step 2: Convert to fraction form
    19,325.99/26,649.20 = 12,141.70/x
  3. Step 3: Cross multiply
    19,325.99x = 26,649.20 × 12,141.70
  4. Step 4: Simplify right side
    19,325.99x = 323,566,555.37
  5. Step 5: Solve for x
    x = 323,566,555.37/19,325.99
  6. Step 6: Final answer
    x = 16,742.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.