Home / 14,256.50-19,673.46-7,882.70

Finding the Fourth Proportional to 14,256.50, 19,673.46 and 7,882.70

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Solution

The fourth proportional to 14,256.50, 19,673.46 and 7,882.70 is: 10,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.50 : 19,673.46 = 7,882.70 : x
  2. Step 2: Convert to fraction form
    14,256.50/19,673.46 = 7,882.70/x
  3. Step 3: Cross multiply
    14,256.50x = 19,673.46 × 7,882.70
  4. Step 4: Simplify right side
    14,256.50x = 155,079,884.77
  5. Step 5: Solve for x
    x = 155,079,884.77/14,256.50
  6. Step 6: Final answer
    x = 10,877.84

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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.