Home / 23,413.80-32,309.10-12,803.40

Finding the Fourth Proportional to 23,413.80, 32,309.10 and 12,803.40

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Solution

The fourth proportional to 23,413.80, 32,309.10 and 12,803.40 is: 17,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,413.80 : 32,309.10 = 12,803.40 : x
  2. Step 2: Convert to fraction form
    23,413.80/32,309.10 = 12,803.40/x
  3. Step 3: Cross multiply
    23,413.80x = 32,309.10 × 12,803.40
  4. Step 4: Simplify right side
    23,413.80x = 413,666,330.94
  5. Step 5: Solve for x
    x = 413,666,330.94/23,413.80
  6. Step 6: Final answer
    x = 17,667.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.