Home / 15,877.58-23,814.54-4,191.71

Finding the Fourth Proportional to 15,877.58, 23,814.54 and 4,191.71

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Solution

The fourth proportional to 15,877.58, 23,814.54 and 4,191.71 is: 6,287.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.58 : 23,814.54 = 4,191.71 : x
  2. Step 2: Convert to fraction form
    15,877.58/23,814.54 = 4,191.71/x
  3. Step 3: Cross multiply
    15,877.58x = 23,814.54 × 4,191.71
  4. Step 4: Simplify right side
    15,877.58x = 99,823,715.48
  5. Step 5: Solve for x
    x = 99,823,715.48/15,877.58
  6. Step 6: Final answer
    x = 6,287.09

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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.