Home / 19,838.10-29,742.57-9,457.14

Finding the Fourth Proportional to 19,838.10, 29,742.57 and 9,457.14

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Solution

The fourth proportional to 19,838.10, 29,742.57 and 9,457.14 is: 14,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.10 : 29,742.57 = 9,457.14 : x
  2. Step 2: Convert to fraction form
    19,838.10/29,742.57 = 9,457.14/x
  3. Step 3: Cross multiply
    19,838.10x = 29,742.57 × 9,457.14
  4. Step 4: Simplify right side
    19,838.10x = 281,279,648.45
  5. Step 5: Solve for x
    x = 281,279,648.45/19,838.10
  6. Step 6: Final answer
    x = 14,178.76

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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.