Home / 14,070.06-21,109.32-4,209.66

Finding the Fourth Proportional to 14,070.06, 21,109.32 and 4,209.66

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Solution

The fourth proportional to 14,070.06, 21,109.32 and 4,209.66 is: 6,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.06 : 21,109.32 = 4,209.66 : x
  2. Step 2: Convert to fraction form
    14,070.06/21,109.32 = 4,209.66/x
  3. Step 3: Cross multiply
    14,070.06x = 21,109.32 × 4,209.66
  4. Step 4: Simplify right side
    14,070.06x = 88,863,060.03
  5. Step 5: Solve for x
    x = 88,863,060.03/14,070.06
  6. Step 6: Final answer
    x = 6,315.76

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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.