Home / 13,707.86-18,933.71-9,925.03

Finding the Fourth Proportional to 13,707.86, 18,933.71 and 9,925.03

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Solution

The fourth proportional to 13,707.86, 18,933.71 and 9,925.03 is: 13,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.86 : 18,933.71 = 9,925.03 : x
  2. Step 2: Convert to fraction form
    13,707.86/18,933.71 = 9,925.03/x
  3. Step 3: Cross multiply
    13,707.86x = 18,933.71 × 9,925.03
  4. Step 4: Simplify right side
    13,707.86x = 187,917,669.63
  5. Step 5: Solve for x
    x = 187,917,669.63/13,707.86
  6. Step 6: Final answer
    x = 13,708.76

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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.