Home / 21,052.16-29,052.14-11,492.12

Finding the Fourth Proportional to 21,052.16, 29,052.14 and 11,492.12

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Solution

The fourth proportional to 21,052.16, 29,052.14 and 11,492.12 is: 15,859.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.16 : 29,052.14 = 11,492.12 : x
  2. Step 2: Convert to fraction form
    21,052.16/29,052.14 = 11,492.12/x
  3. Step 3: Cross multiply
    21,052.16x = 29,052.14 × 11,492.12
  4. Step 4: Simplify right side
    21,052.16x = 333,870,679.14
  5. Step 5: Solve for x
    x = 333,870,679.14/21,052.16
  6. Step 6: Final answer
    x = 15,859.21

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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.