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Finding the Fourth Proportional to 14,665.95, 22,005.47 and 6,764.22

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Solution

The fourth proportional to 14,665.95, 22,005.47 and 6,764.22 is: 10,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.95 : 22,005.47 = 6,764.22 : x
  2. Step 2: Convert to fraction form
    14,665.95/22,005.47 = 6,764.22/x
  3. Step 3: Cross multiply
    14,665.95x = 22,005.47 × 6,764.22
  4. Step 4: Simplify right side
    14,665.95x = 148,849,840.28
  5. Step 5: Solve for x
    x = 148,849,840.28/14,665.95
  6. Step 6: Final answer
    x = 10,149.35

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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.