Home / 16,127.13-22,256.79-9,413.20

Finding the Fourth Proportional to 16,127.13, 22,256.79 and 9,413.20

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Solution

The fourth proportional to 16,127.13, 22,256.79 and 9,413.20 is: 12,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,127.13 : 22,256.79 = 9,413.20 : x
  2. Step 2: Convert to fraction form
    16,127.13/22,256.79 = 9,413.20/x
  3. Step 3: Cross multiply
    16,127.13x = 22,256.79 × 9,413.20
  4. Step 4: Simplify right side
    16,127.13x = 209,507,615.63
  5. Step 5: Solve for x
    x = 209,507,615.63/16,127.13
  6. Step 6: Final answer
    x = 12,991.00

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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.