Home / 18,883.44-28,318.95-6,400.26

Finding the Fourth Proportional to 18,883.44, 28,318.95 and 6,400.26

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Solution

The fourth proportional to 18,883.44, 28,318.95 and 6,400.26 is: 9,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.44 : 28,318.95 = 6,400.26 : x
  2. Step 2: Convert to fraction form
    18,883.44/28,318.95 = 6,400.26/x
  3. Step 3: Cross multiply
    18,883.44x = 28,318.95 × 6,400.26
  4. Step 4: Simplify right side
    18,883.44x = 181,248,642.93
  5. Step 5: Solve for x
    x = 181,248,642.93/18,883.44
  6. Step 6: Final answer
    x = 9,598.29

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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.