Home / 12,656.94-17,441.91-9,113.46

Finding the Fourth Proportional to 12,656.94, 17,441.91 and 9,113.46

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Solution

The fourth proportional to 12,656.94, 17,441.91 and 9,113.46 is: 12,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656.94 : 17,441.91 = 9,113.46 : x
  2. Step 2: Convert to fraction form
    12,656.94/17,441.91 = 9,113.46/x
  3. Step 3: Cross multiply
    12,656.94x = 17,441.91 × 9,113.46
  4. Step 4: Simplify right side
    12,656.94x = 158,956,149.11
  5. Step 5: Solve for x
    x = 158,956,149.11/12,656.94
  6. Step 6: Final answer
    x = 12,558.81

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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.