Home / 17,187.93-23,666.40-15,051.15

Finding the Fourth Proportional to 17,187.93, 23,666.40 and 15,051.15

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Solution

The fourth proportional to 17,187.93, 23,666.40 and 15,051.15 is: 20,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.93 : 23,666.40 = 15,051.15 : x
  2. Step 2: Convert to fraction form
    17,187.93/23,666.40 = 15,051.15/x
  3. Step 3: Cross multiply
    17,187.93x = 23,666.40 × 15,051.15
  4. Step 4: Simplify right side
    17,187.93x = 356,206,536.36
  5. Step 5: Solve for x
    x = 356,206,536.36/17,187.93
  6. Step 6: Final answer
    x = 20,724.23

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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.