Home / 19,354.70-29,032.08-5,314.91

Finding the Fourth Proportional to 19,354.70, 29,032.08 and 5,314.91

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Solution

The fourth proportional to 19,354.70, 29,032.08 and 5,314.91 is: 7,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.70 : 29,032.08 = 5,314.91 : x
  2. Step 2: Convert to fraction form
    19,354.70/29,032.08 = 5,314.91/x
  3. Step 3: Cross multiply
    19,354.70x = 29,032.08 × 5,314.91
  4. Step 4: Simplify right side
    19,354.70x = 154,302,747.15
  5. Step 5: Solve for x
    x = 154,302,747.15/19,354.70
  6. Step 6: Final answer
    x = 7,972.37

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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.