Home / 18,730.28-28,095.40-5,582.32

Finding the Fourth Proportional to 18,730.28, 28,095.40 and 5,582.32

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Solution

The fourth proportional to 18,730.28, 28,095.40 and 5,582.32 is: 8,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.28 : 28,095.40 = 5,582.32 : x
  2. Step 2: Convert to fraction form
    18,730.28/28,095.40 = 5,582.32/x
  3. Step 3: Cross multiply
    18,730.28x = 28,095.40 × 5,582.32
  4. Step 4: Simplify right side
    18,730.28x = 156,837,513.33
  5. Step 5: Solve for x
    x = 156,837,513.33/18,730.28
  6. Step 6: Final answer
    x = 8,373.47

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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.