Home / 14,282.87-19,709.33-7,908.84

Finding the Fourth Proportional to 14,282.87, 19,709.33 and 7,908.84

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Solution

The fourth proportional to 14,282.87, 19,709.33 and 7,908.84 is: 10,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.87 : 19,709.33 = 7,908.84 : x
  2. Step 2: Convert to fraction form
    14,282.87/19,709.33 = 7,908.84/x
  3. Step 3: Cross multiply
    14,282.87x = 19,709.33 × 7,908.84
  4. Step 4: Simplify right side
    14,282.87x = 155,877,897.93
  5. Step 5: Solve for x
    x = 155,877,897.93/14,282.87
  6. Step 6: Final answer
    x = 10,913.63

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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.