Home / 19,720.96-29,582.72-6,572.80

Finding the Fourth Proportional to 19,720.96, 29,582.72 and 6,572.80

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Solution

The fourth proportional to 19,720.96, 29,582.72 and 6,572.80 is: 9,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.96 : 29,582.72 = 6,572.80 : x
  2. Step 2: Convert to fraction form
    19,720.96/29,582.72 = 6,572.80/x
  3. Step 3: Cross multiply
    19,720.96x = 29,582.72 × 6,572.80
  4. Step 4: Simplify right side
    19,720.96x = 194,441,302.02
  5. Step 5: Solve for x
    x = 194,441,302.02/19,720.96
  6. Step 6: Final answer
    x = 9,859.63

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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.