Home / 12,737.28-17,558.40-9,004.80

Finding the Fourth Proportional to 12,737.28, 17,558.40 and 9,004.80

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Solution

The fourth proportional to 12,737.28, 17,558.40 and 9,004.80 is: 12,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.28 : 17,558.40 = 9,004.80 : x
  2. Step 2: Convert to fraction form
    12,737.28/17,558.40 = 9,004.80/x
  3. Step 3: Cross multiply
    12,737.28x = 17,558.40 × 9,004.80
  4. Step 4: Simplify right side
    12,737.28x = 158,109,880.32
  5. Step 5: Solve for x
    x = 158,109,880.32/12,737.28
  6. Step 6: Final answer
    x = 12,413.16

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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.