Home / 10,902.15-16,358.63-4,328.19

Finding the Fourth Proportional to 10,902.15, 16,358.63 and 4,328.19

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Solution

The fourth proportional to 10,902.15, 16,358.63 and 4,328.19 is: 6,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.15 : 16,358.63 = 4,328.19 : x
  2. Step 2: Convert to fraction form
    10,902.15/16,358.63 = 4,328.19/x
  3. Step 3: Cross multiply
    10,902.15x = 16,358.63 × 4,328.19
  4. Step 4: Simplify right side
    10,902.15x = 70,803,237.14
  5. Step 5: Solve for x
    x = 70,803,237.14/10,902.15
  6. Step 6: Final answer
    x = 6,494.43

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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.