Home / 19,888.64-27,446.40-10,935.93

Finding the Fourth Proportional to 19,888.64, 27,446.40 and 10,935.93

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Solution

The fourth proportional to 19,888.64, 27,446.40 and 10,935.93 is: 15,091.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.64 : 27,446.40 = 10,935.93 : x
  2. Step 2: Convert to fraction form
    19,888.64/27,446.40 = 10,935.93/x
  3. Step 3: Cross multiply
    19,888.64x = 27,446.40 × 10,935.93
  4. Step 4: Simplify right side
    19,888.64x = 300,151,909.15
  5. Step 5: Solve for x
    x = 300,151,909.15/19,888.64
  6. Step 6: Final answer
    x = 15,091.63

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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.