Home / 17,888.30-26,836.29-5,407.34

Finding the Fourth Proportional to 17,888.30, 26,836.29 and 5,407.34

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Solution

The fourth proportional to 17,888.30, 26,836.29 and 5,407.34 is: 8,112.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.30 : 26,836.29 = 5,407.34 : x
  2. Step 2: Convert to fraction form
    17,888.30/26,836.29 = 5,407.34/x
  3. Step 3: Cross multiply
    17,888.30x = 26,836.29 × 5,407.34
  4. Step 4: Simplify right side
    17,888.30x = 145,112,944.37
  5. Step 5: Solve for x
    x = 145,112,944.37/17,888.30
  6. Step 6: Final answer
    x = 8,112.17

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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.