Home / 17,655.98-26,459.36-13,268.31

Finding the Fourth Proportional to 17,655.98, 26,459.36 and 13,268.31

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Solution

The fourth proportional to 17,655.98, 26,459.36 and 13,268.31 is: 19,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.98 : 26,459.36 = 13,268.31 : x
  2. Step 2: Convert to fraction form
    17,655.98/26,459.36 = 13,268.31/x
  3. Step 3: Cross multiply
    17,655.98x = 26,459.36 × 13,268.31
  4. Step 4: Simplify right side
    17,655.98x = 351,070,875.07
  5. Step 5: Solve for x
    x = 351,070,875.07/17,655.98
  6. Step 6: Final answer
    x = 19,883.97

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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.