Home / 21,070.22-31,609.91-6,077.25

Finding the Fourth Proportional to 21,070.22, 31,609.91 and 6,077.25

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Solution

The fourth proportional to 21,070.22, 31,609.91 and 6,077.25 is: 9,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,070.22 : 31,609.91 = 6,077.25 : x
  2. Step 2: Convert to fraction form
    21,070.22/31,609.91 = 6,077.25/x
  3. Step 3: Cross multiply
    21,070.22x = 31,609.91 × 6,077.25
  4. Step 4: Simplify right side
    21,070.22x = 192,101,340.74
  5. Step 5: Solve for x
    x = 192,101,340.74/21,070.22
  6. Step 6: Final answer
    x = 9,117.20

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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.