Home / 14,451.06-21,681.02-12,960.86

Finding the Fourth Proportional to 14,451.06, 21,681.02 and 12,960.86

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Solution

The fourth proportional to 14,451.06, 21,681.02 and 12,960.86 is: 19,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.06 : 21,681.02 = 12,960.86 : x
  2. Step 2: Convert to fraction form
    14,451.06/21,681.02 = 12,960.86/x
  3. Step 3: Cross multiply
    14,451.06x = 21,681.02 × 12,960.86
  4. Step 4: Simplify right side
    14,451.06x = 281,004,664.88
  5. Step 5: Solve for x
    x = 281,004,664.88/14,451.06
  6. Step 6: Final answer
    x = 19,445.26

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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.