Home / 21,749.58-32,637.33-7,899.66

Finding the Fourth Proportional to 21,749.58, 32,637.33 and 7,899.66

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Solution

The fourth proportional to 21,749.58, 32,637.33 and 7,899.66 is: 11,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.58 : 32,637.33 = 7,899.66 : x
  2. Step 2: Convert to fraction form
    21,749.58/32,637.33 = 7,899.66/x
  3. Step 3: Cross multiply
    21,749.58x = 32,637.33 × 7,899.66
  4. Step 4: Simplify right side
    21,749.58x = 257,823,810.31
  5. Step 5: Solve for x
    x = 257,823,810.31/21,749.58
  6. Step 6: Final answer
    x = 11,854.20

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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.