Home / 20,730.04-31,095.22-7,582.84

Finding the Fourth Proportional to 20,730.04, 31,095.22 and 7,582.84

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Solution

The fourth proportional to 20,730.04, 31,095.22 and 7,582.84 is: 11,374.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730.04 : 31,095.22 = 7,582.84 : x
  2. Step 2: Convert to fraction form
    20,730.04/31,095.22 = 7,582.84/x
  3. Step 3: Cross multiply
    20,730.04x = 31,095.22 × 7,582.84
  4. Step 4: Simplify right side
    20,730.04x = 235,790,078.02
  5. Step 5: Solve for x
    x = 235,790,078.02/20,730.04
  6. Step 6: Final answer
    x = 11,374.32

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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.