Home / 12,406.60-17,106.06-9,257.32

Finding the Fourth Proportional to 12,406.60, 17,106.06 and 9,257.32

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Solution

The fourth proportional to 12,406.60, 17,106.06 and 9,257.32 is: 12,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.60 : 17,106.06 = 9,257.32 : x
  2. Step 2: Convert to fraction form
    12,406.60/17,106.06 = 9,257.32/x
  3. Step 3: Cross multiply
    12,406.60x = 17,106.06 × 9,257.32
  4. Step 4: Simplify right side
    12,406.60x = 158,356,271.36
  5. Step 5: Solve for x
    x = 158,356,271.36/12,406.60
  6. Step 6: Final answer
    x = 12,763.87

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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.