Home / 21,088.96-31,633.48-6,296.72

Finding the Fourth Proportional to 21,088.96, 31,633.48 and 6,296.72

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Solution

The fourth proportional to 21,088.96, 31,633.48 and 6,296.72 is: 9,445.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088.96 : 31,633.48 = 6,296.72 : x
  2. Step 2: Convert to fraction form
    21,088.96/31,633.48 = 6,296.72/x
  3. Step 3: Cross multiply
    21,088.96x = 31,633.48 × 6,296.72
  4. Step 4: Simplify right side
    21,088.96x = 199,187,008.02
  5. Step 5: Solve for x
    x = 199,187,008.02/21,088.96
  6. Step 6: Final answer
    x = 9,445.08

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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.