Home / 13,990.44-19,312.86-10,004.64

Finding the Fourth Proportional to 13,990.44, 19,312.86 and 10,004.64

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Solution

The fourth proportional to 13,990.44, 19,312.86 and 10,004.64 is: 13,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.44 : 19,312.86 = 10,004.64 : x
  2. Step 2: Convert to fraction form
    13,990.44/19,312.86 = 10,004.64/x
  3. Step 3: Cross multiply
    13,990.44x = 19,312.86 × 10,004.64
  4. Step 4: Simplify right side
    13,990.44x = 193,218,211.67
  5. Step 5: Solve for x
    x = 193,218,211.67/13,990.44
  6. Step 6: Final answer
    x = 13,810.73

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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.