Home / 15,297.18-21,098.21-11,064.12

Finding the Fourth Proportional to 15,297.18, 21,098.21 and 11,064.12

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Solution

The fourth proportional to 15,297.18, 21,098.21 and 11,064.12 is: 15,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.18 : 21,098.21 = 11,064.12 : x
  2. Step 2: Convert to fraction form
    15,297.18/21,098.21 = 11,064.12/x
  3. Step 3: Cross multiply
    15,297.18x = 21,098.21 × 11,064.12
  4. Step 4: Simplify right side
    15,297.18x = 233,433,071.90
  5. Step 5: Solve for x
    x = 233,433,071.90/15,297.18
  6. Step 6: Final answer
    x = 15,259.88

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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.