Home / 13,365.73-18,445.26-7,397.29

Finding the Fourth Proportional to 13,365.73, 18,445.26 and 7,397.29

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Solution

The fourth proportional to 13,365.73, 18,445.26 and 7,397.29 is: 10,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,365.73 : 18,445.26 = 7,397.29 : x
  2. Step 2: Convert to fraction form
    13,365.73/18,445.26 = 7,397.29/x
  3. Step 3: Cross multiply
    13,365.73x = 18,445.26 × 7,397.29
  4. Step 4: Simplify right side
    13,365.73x = 136,444,937.35
  5. Step 5: Solve for x
    x = 136,444,937.35/13,365.73
  6. Step 6: Final answer
    x = 10,208.57

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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.