Home / 14,123.32-19,491.11-8,155.24

Finding the Fourth Proportional to 14,123.32, 19,491.11 and 8,155.24

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Solution

The fourth proportional to 14,123.32, 19,491.11 and 8,155.24 is: 11,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.32 : 19,491.11 = 8,155.24 : x
  2. Step 2: Convert to fraction form
    14,123.32/19,491.11 = 8,155.24/x
  3. Step 3: Cross multiply
    14,123.32x = 19,491.11 × 8,155.24
  4. Step 4: Simplify right side
    14,123.32x = 158,954,679.92
  5. Step 5: Solve for x
    x = 158,954,679.92/14,123.32
  6. Step 6: Final answer
    x = 11,254.77

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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.