Home / 21,330.86-32,004.60-8,847.72

Finding the Fourth Proportional to 21,330.86, 32,004.60 and 8,847.72

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Solution

The fourth proportional to 21,330.86, 32,004.60 and 8,847.72 is: 13,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.86 : 32,004.60 = 8,847.72 : x
  2. Step 2: Convert to fraction form
    21,330.86/32,004.60 = 8,847.72/x
  3. Step 3: Cross multiply
    21,330.86x = 32,004.60 × 8,847.72
  4. Step 4: Simplify right side
    21,330.86x = 283,167,739.51
  5. Step 5: Solve for x
    x = 283,167,739.51/21,330.86
  6. Step 6: Final answer
    x = 13,275.03

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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.