Home / 13,641.84-18,835.20-10,505.52

Finding the Fourth Proportional to 13,641.84, 18,835.20 and 10,505.52

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Solution

The fourth proportional to 13,641.84, 18,835.20 and 10,505.52 is: 14,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,641.84 : 18,835.20 = 10,505.52 : x
  2. Step 2: Convert to fraction form
    13,641.84/18,835.20 = 10,505.52/x
  3. Step 3: Cross multiply
    13,641.84x = 18,835.20 × 10,505.52
  4. Step 4: Simplify right side
    13,641.84x = 197,873,570.30
  5. Step 5: Solve for x
    x = 197,873,570.30/13,641.84
  6. Step 6: Final answer
    x = 14,504.90

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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.