Home / 15,421.76-23,139.80-4,893.44

Finding the Fourth Proportional to 15,421.76, 23,139.80 and 4,893.44

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Solution

The fourth proportional to 15,421.76, 23,139.80 and 4,893.44 is: 7,342.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.76 : 23,139.80 = 4,893.44 : x
  2. Step 2: Convert to fraction form
    15,421.76/23,139.80 = 4,893.44/x
  3. Step 3: Cross multiply
    15,421.76x = 23,139.80 × 4,893.44
  4. Step 4: Simplify right side
    15,421.76x = 113,233,222.91
  5. Step 5: Solve for x
    x = 113,233,222.91/15,421.76
  6. Step 6: Final answer
    x = 7,342.43

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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.