Home / 14,019.57-20,999.21-6,612.93

Finding the Fourth Proportional to 14,019.57, 20,999.21 and 6,612.93

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Solution

The fourth proportional to 14,019.57, 20,999.21 and 6,612.93 is: 9,905.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.57 : 20,999.21 = 6,612.93 : x
  2. Step 2: Convert to fraction form
    14,019.57/20,999.21 = 6,612.93/x
  3. Step 3: Cross multiply
    14,019.57x = 20,999.21 × 6,612.93
  4. Step 4: Simplify right side
    14,019.57x = 138,866,272.72
  5. Step 5: Solve for x
    x = 138,866,272.72/14,019.57
  6. Step 6: Final answer
    x = 9,905.17

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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.