Home / 18,959.04-28,441.94-6,480.45

Finding the Fourth Proportional to 18,959.04, 28,441.94 and 6,480.45

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Solution

The fourth proportional to 18,959.04, 28,441.94 and 6,480.45 is: 9,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.04 : 28,441.94 = 6,480.45 : x
  2. Step 2: Convert to fraction form
    18,959.04/28,441.94 = 6,480.45/x
  3. Step 3: Cross multiply
    18,959.04x = 28,441.94 × 6,480.45
  4. Step 4: Simplify right side
    18,959.04x = 184,316,537.67
  5. Step 5: Solve for x
    x = 184,316,537.67/18,959.04
  6. Step 6: Final answer
    x = 9,721.83

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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.