Home / 14,121.70-19,508.23-11,285.36

Finding the Fourth Proportional to 14,121.70, 19,508.23 and 11,285.36

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Solution

The fourth proportional to 14,121.70, 19,508.23 and 11,285.36 is: 15,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.70 : 19,508.23 = 11,285.36 : x
  2. Step 2: Convert to fraction form
    14,121.70/19,508.23 = 11,285.36/x
  3. Step 3: Cross multiply
    14,121.70x = 19,508.23 × 11,285.36
  4. Step 4: Simplify right side
    14,121.70x = 220,157,398.51
  5. Step 5: Solve for x
    x = 220,157,398.51/14,121.70
  6. Step 6: Final answer
    x = 15,590.01

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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.