Home / 22,723.81-31,352.54-13,646.75

Finding the Fourth Proportional to 22,723.81, 31,352.54 and 13,646.75

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Solution

The fourth proportional to 22,723.81, 31,352.54 and 13,646.75 is: 18,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,723.81 : 31,352.54 = 13,646.75 : x
  2. Step 2: Convert to fraction form
    22,723.81/31,352.54 = 13,646.75/x
  3. Step 3: Cross multiply
    22,723.81x = 31,352.54 × 13,646.75
  4. Step 4: Simplify right side
    22,723.81x = 427,860,050.25
  5. Step 5: Solve for x
    x = 427,860,050.25/22,723.81
  6. Step 6: Final answer
    x = 18,828.71

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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.