Home / 13,889.93-19,168.07-7,516.50

Finding the Fourth Proportional to 13,889.93, 19,168.07 and 7,516.50

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Solution

The fourth proportional to 13,889.93, 19,168.07 and 7,516.50 is: 10,372.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.93 : 19,168.07 = 7,516.50 : x
  2. Step 2: Convert to fraction form
    13,889.93/19,168.07 = 7,516.50/x
  3. Step 3: Cross multiply
    13,889.93x = 19,168.07 × 7,516.50
  4. Step 4: Simplify right side
    13,889.93x = 144,076,816.95
  5. Step 5: Solve for x
    x = 144,076,816.95/13,889.93
  6. Step 6: Final answer
    x = 10,372.75

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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.