Home / 13,612.97-18,783.53-7,562.25

Finding the Fourth Proportional to 13,612.97, 18,783.53 and 7,562.25

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Solution

The fourth proportional to 13,612.97, 18,783.53 and 7,562.25 is: 10,434.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612.97 : 18,783.53 = 7,562.25 : x
  2. Step 2: Convert to fraction form
    13,612.97/18,783.53 = 7,562.25/x
  3. Step 3: Cross multiply
    13,612.97x = 18,783.53 × 7,562.25
  4. Step 4: Simplify right side
    13,612.97x = 142,045,749.74
  5. Step 5: Solve for x
    x = 142,045,749.74/13,612.97
  6. Step 6: Final answer
    x = 10,434.59

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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.