Home / 14,395.24-19,864.74-8,109.64

Finding the Fourth Proportional to 14,395.24, 19,864.74 and 8,109.64

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Solution

The fourth proportional to 14,395.24, 19,864.74 and 8,109.64 is: 11,190.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.24 : 19,864.74 = 8,109.64 : x
  2. Step 2: Convert to fraction form
    14,395.24/19,864.74 = 8,109.64/x
  3. Step 3: Cross multiply
    14,395.24x = 19,864.74 × 8,109.64
  4. Step 4: Simplify right side
    14,395.24x = 161,095,890.09
  5. Step 5: Solve for x
    x = 161,095,890.09/14,395.24
  6. Step 6: Final answer
    x = 11,190.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.