Home / 21,457.01-32,177.61-7,413.44

Finding the Fourth Proportional to 21,457.01, 32,177.61 and 7,413.44

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Solution

The fourth proportional to 21,457.01, 32,177.61 and 7,413.44 is: 11,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,457.01 : 32,177.61 = 7,413.44 : x
  2. Step 2: Convert to fraction form
    21,457.01/32,177.61 = 7,413.44/x
  3. Step 3: Cross multiply
    21,457.01x = 32,177.61 × 7,413.44
  4. Step 4: Simplify right side
    21,457.01x = 238,546,620.19
  5. Step 5: Solve for x
    x = 238,546,620.19/21,457.01
  6. Step 6: Final answer
    x = 11,117.42

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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.