Home / 14,102.16-21,153.47-6,705.13

Finding the Fourth Proportional to 14,102.16, 21,153.47 and 6,705.13

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Solution

The fourth proportional to 14,102.16, 21,153.47 and 6,705.13 is: 10,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.16 : 21,153.47 = 6,705.13 : x
  2. Step 2: Convert to fraction form
    14,102.16/21,153.47 = 6,705.13/x
  3. Step 3: Cross multiply
    14,102.16x = 21,153.47 × 6,705.13
  4. Step 4: Simplify right side
    14,102.16x = 141,836,627.01
  5. Step 5: Solve for x
    x = 141,836,627.01/14,102.16
  6. Step 6: Final answer
    x = 10,057.79

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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.