Home / 17,128.56-25,666.32-11,560.08

Finding the Fourth Proportional to 17,128.56, 25,666.32 and 11,560.08

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Solution

The fourth proportional to 17,128.56, 25,666.32 and 11,560.08 is: 17,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.56 : 25,666.32 = 11,560.08 : x
  2. Step 2: Convert to fraction form
    17,128.56/25,666.32 = 11,560.08/x
  3. Step 3: Cross multiply
    17,128.56x = 25,666.32 × 11,560.08
  4. Step 4: Simplify right side
    17,128.56x = 296,704,712.51
  5. Step 5: Solve for x
    x = 296,704,712.51/17,128.56
  6. Step 6: Final answer
    x = 17,322.22

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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.