Home / 14,070.72-21,095.64-8,522.72

Finding the Fourth Proportional to 14,070.72, 21,095.64 and 8,522.72

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Solution

The fourth proportional to 14,070.72, 21,095.64 and 8,522.72 is: 12,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.72 : 21,095.64 = 8,522.72 : x
  2. Step 2: Convert to fraction form
    14,070.72/21,095.64 = 8,522.72/x
  3. Step 3: Cross multiply
    14,070.72x = 21,095.64 × 8,522.72
  4. Step 4: Simplify right side
    14,070.72x = 179,792,232.94
  5. Step 5: Solve for x
    x = 179,792,232.94/14,070.72
  6. Step 6: Final answer
    x = 12,777.76

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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.