Home / 14,340.48-21,490.56-13,551.84

Finding the Fourth Proportional to 14,340.48, 21,490.56 and 13,551.84

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Solution

The fourth proportional to 14,340.48, 21,490.56 and 13,551.84 is: 20,308.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.48 : 21,490.56 = 13,551.84 : x
  2. Step 2: Convert to fraction form
    14,340.48/21,490.56 = 13,551.84/x
  3. Step 3: Cross multiply
    14,340.48x = 21,490.56 × 13,551.84
  4. Step 4: Simplify right side
    14,340.48x = 291,236,630.63
  5. Step 5: Solve for x
    x = 291,236,630.63/14,340.48
  6. Step 6: Final answer
    x = 20,308.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.