Home / 12,505.28-18,741.52-6,955.77

Finding the Fourth Proportional to 12,505.28, 18,741.52 and 6,955.77

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Solution

The fourth proportional to 12,505.28, 18,741.52 and 6,955.77 is: 10,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,505.28 : 18,741.52 = 6,955.77 : x
  2. Step 2: Convert to fraction form
    12,505.28/18,741.52 = 6,955.77/x
  3. Step 3: Cross multiply
    12,505.28x = 18,741.52 × 6,955.77
  4. Step 4: Simplify right side
    12,505.28x = 130,361,667.79
  5. Step 5: Solve for x
    x = 130,361,667.79/12,505.28
  6. Step 6: Final answer
    x = 10,424.53

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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.