Home / 14,123.62-19,491.21-8,459.29

Finding the Fourth Proportional to 14,123.62, 19,491.21 and 8,459.29

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Solution

The fourth proportional to 14,123.62, 19,491.21 and 8,459.29 is: 11,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.62 : 19,491.21 = 8,459.29 : x
  2. Step 2: Convert to fraction form
    14,123.62/19,491.21 = 8,459.29/x
  3. Step 3: Cross multiply
    14,123.62x = 19,491.21 × 8,459.29
  4. Step 4: Simplify right side
    14,123.62x = 164,881,797.84
  5. Step 5: Solve for x
    x = 164,881,797.84/14,123.62
  6. Step 6: Final answer
    x = 11,674.19

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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.