Home / 22,328.04-30,813.66-13,377

Finding the Fourth Proportional to 22,328.04, 30,813.66 and 13,377

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Solution

The fourth proportional to 22,328.04, 30,813.66 and 13,377 is: 18,460.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,328.04 : 30,813.66 = 13,377 : x
  2. Step 2: Convert to fraction form
    22,328.04/30,813.66 = 13,377/x
  3. Step 3: Cross multiply
    22,328.04x = 30,813.66 × 13,377
  4. Step 4: Simplify right side
    22,328.04x = 412,194,329.82
  5. Step 5: Solve for x
    x = 412,194,329.82/22,328.04
  6. Step 6: Final answer
    x = 18,460.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.