Home / 18,725.31-25,816.28-14,423.22

Finding the Fourth Proportional to 18,725.31, 25,816.28 and 14,423.22

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Solution

The fourth proportional to 18,725.31, 25,816.28 and 14,423.22 is: 19,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.31 : 25,816.28 = 14,423.22 : x
  2. Step 2: Convert to fraction form
    18,725.31/25,816.28 = 14,423.22/x
  3. Step 3: Cross multiply
    18,725.31x = 25,816.28 × 14,423.22
  4. Step 4: Simplify right side
    18,725.31x = 372,353,813.91
  5. Step 5: Solve for x
    x = 372,353,813.91/18,725.31
  6. Step 6: Final answer
    x = 19,885.05

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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.