Home / 21,730.39-32,602.14-9,086.29

Finding the Fourth Proportional to 21,730.39, 32,602.14 and 9,086.29

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Solution

The fourth proportional to 21,730.39, 32,602.14 and 9,086.29 is: 13,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730.39 : 32,602.14 = 9,086.29 : x
  2. Step 2: Convert to fraction form
    21,730.39/32,602.14 = 9,086.29/x
  3. Step 3: Cross multiply
    21,730.39x = 32,602.14 × 9,086.29
  4. Step 4: Simplify right side
    21,730.39x = 296,232,498.66
  5. Step 5: Solve for x
    x = 296,232,498.66/21,730.39
  6. Step 6: Final answer
    x = 13,632.18

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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.