Home / 14,952.81-20,634.93-8,238.90

Finding the Fourth Proportional to 14,952.81, 20,634.93 and 8,238.90

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Solution

The fourth proportional to 14,952.81, 20,634.93 and 8,238.90 is: 11,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.81 : 20,634.93 = 8,238.90 : x
  2. Step 2: Convert to fraction form
    14,952.81/20,634.93 = 8,238.90/x
  3. Step 3: Cross multiply
    14,952.81x = 20,634.93 × 8,238.90
  4. Step 4: Simplify right side
    14,952.81x = 170,009,124.78
  5. Step 5: Solve for x
    x = 170,009,124.78/14,952.81
  6. Step 6: Final answer
    x = 11,369.71

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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.