Home / 22,393.45-30,877.32-14,316.31

Finding the Fourth Proportional to 22,393.45, 30,877.32 and 14,316.31

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Solution

The fourth proportional to 22,393.45, 30,877.32 and 14,316.31 is: 19,740.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.45 : 30,877.32 = 14,316.31 : x
  2. Step 2: Convert to fraction form
    22,393.45/30,877.32 = 14,316.31/x
  3. Step 3: Cross multiply
    22,393.45x = 30,877.32 × 14,316.31
  4. Step 4: Simplify right side
    22,393.45x = 442,049,285.09
  5. Step 5: Solve for x
    x = 442,049,285.09/22,393.45
  6. Step 6: Final answer
    x = 19,740.12

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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.