Home / 19,539.60-29,305.60-9,534.28

Finding the Fourth Proportional to 19,539.60, 29,305.60 and 9,534.28

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Solution

The fourth proportional to 19,539.60, 29,305.60 and 9,534.28 is: 14,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.60 : 29,305.60 = 9,534.28 : x
  2. Step 2: Convert to fraction form
    19,539.60/29,305.60 = 9,534.28/x
  3. Step 3: Cross multiply
    19,539.60x = 29,305.60 × 9,534.28
  4. Step 4: Simplify right side
    19,539.60x = 279,407,795.97
  5. Step 5: Solve for x
    x = 279,407,795.97/19,539.60
  6. Step 6: Final answer
    x = 14,299.57

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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.