Home / 10,399.55-15,598.86-2,903.15

Finding the Fourth Proportional to 10,399.55, 15,598.86 and 2,903.15

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Solution

The fourth proportional to 10,399.55, 15,598.86 and 2,903.15 is: 4,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.55 : 15,598.86 = 2,903.15 : x
  2. Step 2: Convert to fraction form
    10,399.55/15,598.86 = 2,903.15/x
  3. Step 3: Cross multiply
    10,399.55x = 15,598.86 × 2,903.15
  4. Step 4: Simplify right side
    10,399.55x = 45,285,787.11
  5. Step 5: Solve for x
    x = 45,285,787.11/10,399.55
  6. Step 6: Final answer
    x = 4,354.59

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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.