Home / 14,615.12-21,927.78-4,621.40

Finding the Fourth Proportional to 14,615.12, 21,927.78 and 4,621.40

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Solution

The fourth proportional to 14,615.12, 21,927.78 and 4,621.40 is: 6,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.12 : 21,927.78 = 4,621.40 : x
  2. Step 2: Convert to fraction form
    14,615.12/21,927.78 = 4,621.40/x
  3. Step 3: Cross multiply
    14,615.12x = 21,927.78 × 4,621.40
  4. Step 4: Simplify right side
    14,615.12x = 101,337,042.49
  5. Step 5: Solve for x
    x = 101,337,042.49/14,615.12
  6. Step 6: Final answer
    x = 6,933.71

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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.