Home / 14,207.81-21,284.43-7,948.85

Finding the Fourth Proportional to 14,207.81, 21,284.43 and 7,948.85

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Solution

The fourth proportional to 14,207.81, 21,284.43 and 7,948.85 is: 11,908.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.81 : 21,284.43 = 7,948.85 : x
  2. Step 2: Convert to fraction form
    14,207.81/21,284.43 = 7,948.85/x
  3. Step 3: Cross multiply
    14,207.81x = 21,284.43 × 7,948.85
  4. Step 4: Simplify right side
    14,207.81x = 169,186,634.98
  5. Step 5: Solve for x
    x = 169,186,634.98/14,207.81
  6. Step 6: Final answer
    x = 11,908.01

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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.