Home / 22,148.48-30,567.53-13,983.93

Finding the Fourth Proportional to 22,148.48, 30,567.53 and 13,983.93

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Solution

The fourth proportional to 22,148.48, 30,567.53 and 13,983.93 is: 19,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.48 : 30,567.53 = 13,983.93 : x
  2. Step 2: Convert to fraction form
    22,148.48/30,567.53 = 13,983.93/x
  3. Step 3: Cross multiply
    22,148.48x = 30,567.53 × 13,983.93
  4. Step 4: Simplify right side
    22,148.48x = 427,454,129.87
  5. Step 5: Solve for x
    x = 427,454,129.87/22,148.48
  6. Step 6: Final answer
    x = 19,299.48

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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.