Home / 14,641.63-21,964.70-4,778.60

Finding the Fourth Proportional to 14,641.63, 21,964.70 and 4,778.60

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Solution

The fourth proportional to 14,641.63, 21,964.70 and 4,778.60 is: 7,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.63 : 21,964.70 = 4,778.60 : x
  2. Step 2: Convert to fraction form
    14,641.63/21,964.70 = 4,778.60/x
  3. Step 3: Cross multiply
    14,641.63x = 21,964.70 × 4,778.60
  4. Step 4: Simplify right side
    14,641.63x = 104,960,417.54
  5. Step 5: Solve for x
    x = 104,960,417.54/14,641.63
  6. Step 6: Final answer
    x = 7,168.63

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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.