Home / 8,007.56-12,017.44-6,451.36

Finding the Fourth Proportional to 8,007.56, 12,017.44 and 6,451.36

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Solution

The fourth proportional to 8,007.56, 12,017.44 and 6,451.36 is: 9,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.56 : 12,017.44 = 6,451.36 : x
  2. Step 2: Convert to fraction form
    8,007.56/12,017.44 = 6,451.36/x
  3. Step 3: Cross multiply
    8,007.56x = 12,017.44 × 6,451.36
  4. Step 4: Simplify right side
    8,007.56x = 77,528,831.72
  5. Step 5: Solve for x
    x = 77,528,831.72/8,007.56
  6. Step 6: Final answer
    x = 9,681.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.