Home / 13,444.60-18,553.01-7,475.84

Finding the Fourth Proportional to 13,444.60, 18,553.01 and 7,475.84

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Solution

The fourth proportional to 13,444.60, 18,553.01 and 7,475.84 is: 10,316.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.60 : 18,553.01 = 7,475.84 : x
  2. Step 2: Convert to fraction form
    13,444.60/18,553.01 = 7,475.84/x
  3. Step 3: Cross multiply
    13,444.60x = 18,553.01 × 7,475.84
  4. Step 4: Simplify right side
    13,444.60x = 138,699,334.28
  5. Step 5: Solve for x
    x = 138,699,334.28/13,444.60
  6. Step 6: Final answer
    x = 10,316.36

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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.