Home / 13,496.86-18,625.54-7,447.16

Finding the Fourth Proportional to 13,496.86, 18,625.54 and 7,447.16

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Solution

The fourth proportional to 13,496.86, 18,625.54 and 7,447.16 is: 10,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,496.86 : 18,625.54 = 7,447.16 : x
  2. Step 2: Convert to fraction form
    13,496.86/18,625.54 = 7,447.16/x
  3. Step 3: Cross multiply
    13,496.86x = 18,625.54 × 7,447.16
  4. Step 4: Simplify right side
    13,496.86x = 138,707,381.11
  5. Step 5: Solve for x
    x = 138,707,381.11/13,496.86
  6. Step 6: Final answer
    x = 10,277.01

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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.