Home / 13,889.10-19,167.41-7,601.47

Finding the Fourth Proportional to 13,889.10, 19,167.41 and 7,601.47

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Solution

The fourth proportional to 13,889.10, 19,167.41 and 7,601.47 is: 10,490.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889.10 : 19,167.41 = 7,601.47 : x
  2. Step 2: Convert to fraction form
    13,889.10/19,167.41 = 7,601.47/x
  3. Step 3: Cross multiply
    13,889.10x = 19,167.41 × 7,601.47
  4. Step 4: Simplify right side
    13,889.10x = 145,700,492.09
  5. Step 5: Solve for x
    x = 145,700,492.09/13,889.10
  6. Step 6: Final answer
    x = 10,490.28

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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.