Home / 20,264.05-27,964.47-12,300.94

Finding the Fourth Proportional to 20,264.05, 27,964.47 and 12,300.94

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Solution

The fourth proportional to 20,264.05, 27,964.47 and 12,300.94 is: 16,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.05 : 27,964.47 = 12,300.94 : x
  2. Step 2: Convert to fraction form
    20,264.05/27,964.47 = 12,300.94/x
  3. Step 3: Cross multiply
    20,264.05x = 27,964.47 × 12,300.94
  4. Step 4: Simplify right side
    20,264.05x = 343,989,267.60
  5. Step 5: Solve for x
    x = 343,989,267.60/20,264.05
  6. Step 6: Final answer
    x = 16,975.35

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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.