Home / 13,394.48-18,484.35-7,426.00

Finding the Fourth Proportional to 13,394.48, 18,484.35 and 7,426.00

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Solution

The fourth proportional to 13,394.48, 18,484.35 and 7,426.00 is: 10,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.48 : 18,484.35 = 7,426.00 : x
  2. Step 2: Convert to fraction form
    13,394.48/18,484.35 = 7,426.00/x
  3. Step 3: Cross multiply
    13,394.48x = 18,484.35 × 7,426.00
  4. Step 4: Simplify right side
    13,394.48x = 137,264,755.45
  5. Step 5: Solve for x
    x = 137,264,755.45/13,394.48
  6. Step 6: Final answer
    x = 10,247.86

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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.