Home / 21,413.04-32,118.60-9,717.84

Finding the Fourth Proportional to 21,413.04, 32,118.60 and 9,717.84

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Solution

The fourth proportional to 21,413.04, 32,118.60 and 9,717.84 is: 14,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.04 : 32,118.60 = 9,717.84 : x
  2. Step 2: Convert to fraction form
    21,413.04/32,118.60 = 9,717.84/x
  3. Step 3: Cross multiply
    21,413.04x = 32,118.60 × 9,717.84
  4. Step 4: Simplify right side
    21,413.04x = 312,123,415.82
  5. Step 5: Solve for x
    x = 312,123,415.82/21,413.04
  6. Step 6: Final answer
    x = 14,576.32

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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.