Home / 10,438.05-15,657.18-2,646.87

Finding the Fourth Proportional to 10,438.05, 15,657.18 and 2,646.87

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Solution

The fourth proportional to 10,438.05, 15,657.18 and 2,646.87 is: 3,970.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.05 : 15,657.18 = 2,646.87 : x
  2. Step 2: Convert to fraction form
    10,438.05/15,657.18 = 2,646.87/x
  3. Step 3: Cross multiply
    10,438.05x = 15,657.18 × 2,646.87
  4. Step 4: Simplify right side
    10,438.05x = 41,442,520.03
  5. Step 5: Solve for x
    x = 41,442,520.03/10,438.05
  6. Step 6: Final answer
    x = 3,970.33

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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.