Home / 21,413.51-32,123.32-6,623.58

Finding the Fourth Proportional to 21,413.51, 32,123.32 and 6,623.58

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Solution

The fourth proportional to 21,413.51, 32,123.32 and 6,623.58 is: 9,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413.51 : 32,123.32 = 6,623.58 : x
  2. Step 2: Convert to fraction form
    21,413.51/32,123.32 = 6,623.58/x
  3. Step 3: Cross multiply
    21,413.51x = 32,123.32 × 6,623.58
  4. Step 4: Simplify right side
    21,413.51x = 212,771,483.79
  5. Step 5: Solve for x
    x = 212,771,483.79/21,413.51
  6. Step 6: Final answer
    x = 9,936.32

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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.