Home / 21,370.26-32,058.18-8,220.99

Finding the Fourth Proportional to 21,370.26, 32,058.18 and 8,220.99

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Solution

The fourth proportional to 21,370.26, 32,058.18 and 8,220.99 is: 12,332.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.26 : 32,058.18 = 8,220.99 : x
  2. Step 2: Convert to fraction form
    21,370.26/32,058.18 = 8,220.99/x
  3. Step 3: Cross multiply
    21,370.26x = 32,058.18 × 8,220.99
  4. Step 4: Simplify right side
    21,370.26x = 263,549,977.20
  5. Step 5: Solve for x
    x = 263,549,977.20/21,370.26
  6. Step 6: Final answer
    x = 12,332.56

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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.