Home / 19,707.96-27,186.86-13,334.84

Finding the Fourth Proportional to 19,707.96, 27,186.86 and 13,334.84

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Solution

The fourth proportional to 19,707.96, 27,186.86 and 13,334.84 is: 18,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.96 : 27,186.86 = 13,334.84 : x
  2. Step 2: Convert to fraction form
    19,707.96/27,186.86 = 13,334.84/x
  3. Step 3: Cross multiply
    19,707.96x = 27,186.86 × 13,334.84
  4. Step 4: Simplify right side
    19,707.96x = 362,532,325.61
  5. Step 5: Solve for x
    x = 362,532,325.61/19,707.96
  6. Step 6: Final answer
    x = 18,395.22

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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.