Home / 18,707.04-28,036.32-7,600.84

Finding the Fourth Proportional to 18,707.04, 28,036.32 and 7,600.84

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Solution

The fourth proportional to 18,707.04, 28,036.32 and 7,600.84 is: 11,391.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,707.04 : 28,036.32 = 7,600.84 : x
  2. Step 2: Convert to fraction form
    18,707.04/28,036.32 = 7,600.84/x
  3. Step 3: Cross multiply
    18,707.04x = 28,036.32 × 7,600.84
  4. Step 4: Simplify right side
    18,707.04x = 213,099,483.91
  5. Step 5: Solve for x
    x = 213,099,483.91/18,707.04
  6. Step 6: Final answer
    x = 11,391.41

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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.