Home / 21,521.18-32,281.79-6,730.18

Finding the Fourth Proportional to 21,521.18, 32,281.79 and 6,730.18

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Solution

The fourth proportional to 21,521.18, 32,281.79 and 6,730.18 is: 10,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,521.18 : 32,281.79 = 6,730.18 : x
  2. Step 2: Convert to fraction form
    21,521.18/32,281.79 = 6,730.18/x
  3. Step 3: Cross multiply
    21,521.18x = 32,281.79 × 6,730.18
  4. Step 4: Simplify right side
    21,521.18x = 217,262,143.07
  5. Step 5: Solve for x
    x = 217,262,143.07/21,521.18
  6. Step 6: Final answer
    x = 10,095.27

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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.