Home / 17,688.60-24,413.75-10,139.99

Finding the Fourth Proportional to 17,688.60, 24,413.75 and 10,139.99

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Solution

The fourth proportional to 17,688.60, 24,413.75 and 10,139.99 is: 13,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.60 : 24,413.75 = 10,139.99 : x
  2. Step 2: Convert to fraction form
    17,688.60/24,413.75 = 10,139.99/x
  3. Step 3: Cross multiply
    17,688.60x = 24,413.75 × 10,139.99
  4. Step 4: Simplify right side
    17,688.60x = 247,555,180.86
  5. Step 5: Solve for x
    x = 247,555,180.86/17,688.60
  6. Step 6: Final answer
    x = 13,995.19

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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.