Home / 14,639.06-21,921-8,057.90

Finding the Fourth Proportional to 14,639.06, 21,921 and 8,057.90

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Solution

The fourth proportional to 14,639.06, 21,921 and 8,057.90 is: 12,066.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.06 : 21,921 = 8,057.90 : x
  2. Step 2: Convert to fraction form
    14,639.06/21,921 = 8,057.90/x
  3. Step 3: Cross multiply
    14,639.06x = 21,921 × 8,057.90
  4. Step 4: Simplify right side
    14,639.06x = 176,637,225.90
  5. Step 5: Solve for x
    x = 176,637,225.90/14,639.06
  6. Step 6: Final answer
    x = 12,066.16

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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.