Home / 13,590.54-20,381.55-6,566.19

Finding the Fourth Proportional to 13,590.54, 20,381.55 and 6,566.19

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Solution

The fourth proportional to 13,590.54, 20,381.55 and 6,566.19 is: 9,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.54 : 20,381.55 = 6,566.19 : x
  2. Step 2: Convert to fraction form
    13,590.54/20,381.55 = 6,566.19/x
  3. Step 3: Cross multiply
    13,590.54x = 20,381.55 × 6,566.19
  4. Step 4: Simplify right side
    13,590.54x = 133,829,129.79
  5. Step 5: Solve for x
    x = 133,829,129.79/13,590.54
  6. Step 6: Final answer
    x = 9,847.23

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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.