Home / 10,438.10-15,657.21-2,646.92

Finding the Fourth Proportional to 10,438.10, 15,657.21 and 2,646.92

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Solution

The fourth proportional to 10,438.10, 15,657.21 and 2,646.92 is: 3,970.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.10 : 15,657.21 = 2,646.92 : x
  2. Step 2: Convert to fraction form
    10,438.10/15,657.21 = 2,646.92/x
  3. Step 3: Cross multiply
    10,438.10x = 15,657.21 × 2,646.92
  4. Step 4: Simplify right side
    10,438.10x = 41,443,304.01
  5. Step 5: Solve for x
    x = 41,443,304.01/10,438.10
  6. Step 6: Final answer
    x = 3,970.39

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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.