Home / 15,208.32-21,001.92-14,380.00

Finding the Fourth Proportional to 15,208.32, 21,001.92 and 14,380.00

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Solution

The fourth proportional to 15,208.32, 21,001.92 and 14,380.00 is: 19,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208.32 : 21,001.92 = 14,380.00 : x
  2. Step 2: Convert to fraction form
    15,208.32/21,001.92 = 14,380.00/x
  3. Step 3: Cross multiply
    15,208.32x = 21,001.92 × 14,380.00
  4. Step 4: Simplify right side
    15,208.32x = 302,007,503.17
  5. Step 5: Solve for x
    x = 302,007,503.17/15,208.32
  6. Step 6: Final answer
    x = 19,858.04

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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.