Home / 10,347.34-15,521.30-3,778.44

Finding the Fourth Proportional to 10,347.34, 15,521.30 and 3,778.44

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Solution

The fourth proportional to 10,347.34, 15,521.30 and 3,778.44 is: 5,667.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347.34 : 15,521.30 = 3,778.44 : x
  2. Step 2: Convert to fraction form
    10,347.34/15,521.30 = 3,778.44/x
  3. Step 3: Cross multiply
    10,347.34x = 15,521.30 × 3,778.44
  4. Step 4: Simplify right side
    10,347.34x = 58,646,300.77
  5. Step 5: Solve for x
    x = 58,646,300.77/10,347.34
  6. Step 6: Final answer
    x = 5,667.77

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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.