Home / 9,143.32-13,715.45-2,903.82

Finding the Fourth Proportional to 9,143.32, 13,715.45 and 2,903.82

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Solution

The fourth proportional to 9,143.32, 13,715.45 and 2,903.82 is: 4,355.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.32 : 13,715.45 = 2,903.82 : x
  2. Step 2: Convert to fraction form
    9,143.32/13,715.45 = 2,903.82/x
  3. Step 3: Cross multiply
    9,143.32x = 13,715.45 × 2,903.82
  4. Step 4: Simplify right side
    9,143.32x = 39,827,142.96
  5. Step 5: Solve for x
    x = 39,827,142.96/9,143.32
  6. Step 6: Final answer
    x = 4,355.87

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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.