Home / 30,173.45-45,266.52-9,115.07

Finding the Fourth Proportional to 30,173.45, 45,266.52 and 9,115.07

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Solution

The fourth proportional to 30,173.45, 45,266.52 and 9,115.07 is: 13,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.45 : 45,266.52 = 9,115.07 : x
  2. Step 2: Convert to fraction form
    30,173.45/45,266.52 = 9,115.07/x
  3. Step 3: Cross multiply
    30,173.45x = 45,266.52 × 9,115.07
  4. Step 4: Simplify right side
    30,173.45x = 412,607,498.46
  5. Step 5: Solve for x
    x = 412,607,498.46/30,173.45
  6. Step 6: Final answer
    x = 13,674.52

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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.