Home / 30,171.94-45,264.28-9,113.56

Finding the Fourth Proportional to 30,171.94, 45,264.28 and 9,113.56

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Solution

The fourth proportional to 30,171.94, 45,264.28 and 9,113.56 is: 13,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.94 : 45,264.28 = 9,113.56 : x
  2. Step 2: Convert to fraction form
    30,171.94/45,264.28 = 9,113.56/x
  3. Step 3: Cross multiply
    30,171.94x = 45,264.28 × 9,113.56
  4. Step 4: Simplify right side
    30,171.94x = 412,518,731.64
  5. Step 5: Solve for x
    x = 412,518,731.64/30,171.94
  6. Step 6: Final answer
    x = 13,672.26

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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.