Home / 30,113.66-45,152.99-11,395.15

Finding the Fourth Proportional to 30,113.66, 45,152.99 and 11,395.15

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Solution

The fourth proportional to 30,113.66, 45,152.99 and 11,395.15 is: 17,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.66 : 45,152.99 = 11,395.15 : x
  2. Step 2: Convert to fraction form
    30,113.66/45,152.99 = 11,395.15/x
  3. Step 3: Cross multiply
    30,113.66x = 45,152.99 × 11,395.15
  4. Step 4: Simplify right side
    30,113.66x = 514,524,839.48
  5. Step 5: Solve for x
    x = 514,524,839.48/30,113.66
  6. Step 6: Final answer
    x = 17,086.09

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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.