Home / 14,457.15-21,685.79-6,135.08

Finding the Fourth Proportional to 14,457.15, 21,685.79 and 6,135.08

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Solution

The fourth proportional to 14,457.15, 21,685.79 and 6,135.08 is: 9,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,457.15 : 21,685.79 = 6,135.08 : x
  2. Step 2: Convert to fraction form
    14,457.15/21,685.79 = 6,135.08/x
  3. Step 3: Cross multiply
    14,457.15x = 21,685.79 × 6,135.08
  4. Step 4: Simplify right side
    14,457.15x = 133,043,963.42
  5. Step 5: Solve for x
    x = 133,043,963.42/14,457.15
  6. Step 6: Final answer
    x = 9,202.64

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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.