Home / 20,412.56-30,590.31-11,032.35

Finding the Fourth Proportional to 20,412.56, 30,590.31 and 11,032.35

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Solution

The fourth proportional to 20,412.56, 30,590.31 and 11,032.35 is: 16,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412.56 : 30,590.31 = 11,032.35 : x
  2. Step 2: Convert to fraction form
    20,412.56/30,590.31 = 11,032.35/x
  3. Step 3: Cross multiply
    20,412.56x = 30,590.31 × 11,032.35
  4. Step 4: Simplify right side
    20,412.56x = 337,483,006.53
  5. Step 5: Solve for x
    x = 337,483,006.53/20,412.56
  6. Step 6: Final answer
    x = 16,533.11

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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.