Home / 9,686.21-14,531.40-3,113.06

Finding the Fourth Proportional to 9,686.21, 14,531.40 and 3,113.06

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Solution

The fourth proportional to 9,686.21, 14,531.40 and 3,113.06 is: 4,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.21 : 14,531.40 = 3,113.06 : x
  2. Step 2: Convert to fraction form
    9,686.21/14,531.40 = 3,113.06/x
  3. Step 3: Cross multiply
    9,686.21x = 14,531.40 × 3,113.06
  4. Step 4: Simplify right side
    9,686.21x = 45,237,047.43
  5. Step 5: Solve for x
    x = 45,237,047.43/9,686.21
  6. Step 6: Final answer
    x = 4,670.26

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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.