Home / 18,931.47-26,125.09-10,317.73

Finding the Fourth Proportional to 18,931.47, 26,125.09 and 10,317.73

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Solution

The fourth proportional to 18,931.47, 26,125.09 and 10,317.73 is: 14,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.47 : 26,125.09 = 10,317.73 : x
  2. Step 2: Convert to fraction form
    18,931.47/26,125.09 = 10,317.73/x
  3. Step 3: Cross multiply
    18,931.47x = 26,125.09 × 10,317.73
  4. Step 4: Simplify right side
    18,931.47x = 269,551,624.85
  5. Step 5: Solve for x
    x = 269,551,624.85/18,931.47
  6. Step 6: Final answer
    x = 14,238.28

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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.