Home / 19,447.86-29,173.32-9,581.76

Finding the Fourth Proportional to 19,447.86, 29,173.32 and 9,581.76

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Solution

The fourth proportional to 19,447.86, 29,173.32 and 9,581.76 is: 14,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.86 : 29,173.32 = 9,581.76 : x
  2. Step 2: Convert to fraction form
    19,447.86/29,173.32 = 9,581.76/x
  3. Step 3: Cross multiply
    19,447.86x = 29,173.32 × 9,581.76
  4. Step 4: Simplify right side
    19,447.86x = 279,531,750.64
  5. Step 5: Solve for x
    x = 279,531,750.64/19,447.86
  6. Step 6: Final answer
    x = 14,373.39

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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.