Home / 17,985.76-26,986.41-9,656.06

Finding the Fourth Proportional to 17,985.76, 26,986.41 and 9,656.06

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Solution

The fourth proportional to 17,985.76, 26,986.41 and 9,656.06 is: 14,488.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.76 : 26,986.41 = 9,656.06 : x
  2. Step 2: Convert to fraction form
    17,985.76/26,986.41 = 9,656.06/x
  3. Step 3: Cross multiply
    17,985.76x = 26,986.41 × 9,656.06
  4. Step 4: Simplify right side
    17,985.76x = 260,582,259.21
  5. Step 5: Solve for x
    x = 260,582,259.21/17,985.76
  6. Step 6: Final answer
    x = 14,488.26

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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.