Home / 18,019.04-24,852.59-15,505.36

Finding the Fourth Proportional to 18,019.04, 24,852.59 and 15,505.36

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Solution

The fourth proportional to 18,019.04, 24,852.59 and 15,505.36 is: 21,385.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.04 : 24,852.59 = 15,505.36 : x
  2. Step 2: Convert to fraction form
    18,019.04/24,852.59 = 15,505.36/x
  3. Step 3: Cross multiply
    18,019.04x = 24,852.59 × 15,505.36
  4. Step 4: Simplify right side
    18,019.04x = 385,348,354.88
  5. Step 5: Solve for x
    x = 385,348,354.88/18,019.04
  6. Step 6: Final answer
    x = 21,385.62

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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.