Home / 23,812.13-35,727.93-13,142.81

Finding the Fourth Proportional to 23,812.13, 35,727.93 and 13,142.81

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Solution

The fourth proportional to 23,812.13, 35,727.93 and 13,142.81 is: 19,719.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,812.13 : 35,727.93 = 13,142.81 : x
  2. Step 2: Convert to fraction form
    23,812.13/35,727.93 = 13,142.81/x
  3. Step 3: Cross multiply
    23,812.13x = 35,727.93 × 13,142.81
  4. Step 4: Simplify right side
    23,812.13x = 469,565,395.68
  5. Step 5: Solve for x
    x = 469,565,395.68/23,812.13
  6. Step 6: Final answer
    x = 19,719.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.