Home / 19,318.86-26,659.35-10,935.18

Finding the Fourth Proportional to 19,318.86, 26,659.35 and 10,935.18

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Solution

The fourth proportional to 19,318.86, 26,659.35 and 10,935.18 is: 15,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.86 : 26,659.35 = 10,935.18 : x
  2. Step 2: Convert to fraction form
    19,318.86/26,659.35 = 10,935.18/x
  3. Step 3: Cross multiply
    19,318.86x = 26,659.35 × 10,935.18
  4. Step 4: Simplify right side
    19,318.86x = 291,524,790.93
  5. Step 5: Solve for x
    x = 291,524,790.93/19,318.86
  6. Step 6: Final answer
    x = 15,090.17

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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.