Home / 15,501.69-21,385.43-10,328.97

Finding the Fourth Proportional to 15,501.69, 21,385.43 and 10,328.97

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Solution

The fourth proportional to 15,501.69, 21,385.43 and 10,328.97 is: 14,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.69 : 21,385.43 = 10,328.97 : x
  2. Step 2: Convert to fraction form
    15,501.69/21,385.43 = 10,328.97/x
  3. Step 3: Cross multiply
    15,501.69x = 21,385.43 × 10,328.97
  4. Step 4: Simplify right side
    15,501.69x = 220,889,413.26
  5. Step 5: Solve for x
    x = 220,889,413.26/15,501.69
  6. Step 6: Final answer
    x = 14,249.38

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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.