Home / 14,633.48-21,953.72-4,772.78

Finding the Fourth Proportional to 14,633.48, 21,953.72 and 4,772.78

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Solution

The fourth proportional to 14,633.48, 21,953.72 and 4,772.78 is: 7,160.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.48 : 21,953.72 = 4,772.78 : x
  2. Step 2: Convert to fraction form
    14,633.48/21,953.72 = 4,772.78/x
  3. Step 3: Cross multiply
    14,633.48x = 21,953.72 × 4,772.78
  4. Step 4: Simplify right side
    14,633.48x = 104,780,275.74
  5. Step 5: Solve for x
    x = 104,780,275.74/14,633.48
  6. Step 6: Final answer
    x = 7,160.31

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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.