Home / 14,854.84-20,456.47-13,905.10

Finding the Fourth Proportional to 14,854.84, 20,456.47 and 13,905.10

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Solution

The fourth proportional to 14,854.84, 20,456.47 and 13,905.10 is: 19,148.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.84 : 20,456.47 = 13,905.10 : x
  2. Step 2: Convert to fraction form
    14,854.84/20,456.47 = 13,905.10/x
  3. Step 3: Cross multiply
    14,854.84x = 20,456.47 × 13,905.10
  4. Step 4: Simplify right side
    14,854.84x = 284,449,244.62
  5. Step 5: Solve for x
    x = 284,449,244.62/14,854.84
  6. Step 6: Final answer
    x = 19,148.59

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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.