Home / 13,471.26-18,585.27-7,803.93

Finding the Fourth Proportional to 13,471.26, 18,585.27 and 7,803.93

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Solution

The fourth proportional to 13,471.26, 18,585.27 and 7,803.93 is: 10,766.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.26 : 18,585.27 = 7,803.93 : x
  2. Step 2: Convert to fraction form
    13,471.26/18,585.27 = 7,803.93/x
  3. Step 3: Cross multiply
    13,471.26x = 18,585.27 × 7,803.93
  4. Step 4: Simplify right side
    13,471.26x = 145,038,146.11
  5. Step 5: Solve for x
    x = 145,038,146.11/13,471.26
  6. Step 6: Final answer
    x = 10,766.49

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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.