Home / 13,889.07-19,166.96-7,601.45

Finding the Fourth Proportional to 13,889.07, 19,166.96 and 7,601.45

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Solution

The fourth proportional to 13,889.07, 19,166.96 and 7,601.45 is: 10,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.07 : 19,166.96 = 7,601.45 : x
  2. Step 2: Convert to fraction form
    13,889.07/19,166.96 = 7,601.45/x
  3. Step 3: Cross multiply
    13,889.07x = 19,166.96 × 7,601.45
  4. Step 4: Simplify right side
    13,889.07x = 145,696,688.09
  5. Step 5: Solve for x
    x = 145,696,688.09/13,889.07
  6. Step 6: Final answer
    x = 10,490.02

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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.