Home / 13,365.35-18,446.14-7,699.00

Finding the Fourth Proportional to 13,365.35, 18,446.14 and 7,699.00

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Solution

The fourth proportional to 13,365.35, 18,446.14 and 7,699.00 is: 10,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.35 : 18,446.14 = 7,699.00 : x
  2. Step 2: Convert to fraction form
    13,365.35/18,446.14 = 7,699.00/x
  3. Step 3: Cross multiply
    13,365.35x = 18,446.14 × 7,699.00
  4. Step 4: Simplify right side
    13,365.35x = 142,016,701.13
  5. Step 5: Solve for x
    x = 142,016,701.13/13,365.35
  6. Step 6: Final answer
    x = 10,625.74

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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.