Home / 15,381.52-23,090.56-12,946.64

Finding the Fourth Proportional to 15,381.52, 23,090.56 and 12,946.64

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Solution

The fourth proportional to 15,381.52, 23,090.56 and 12,946.64 is: 19,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.52 : 23,090.56 = 12,946.64 : x
  2. Step 2: Convert to fraction form
    15,381.52/23,090.56 = 12,946.64/x
  3. Step 3: Cross multiply
    15,381.52x = 23,090.56 × 12,946.64
  4. Step 4: Simplify right side
    15,381.52x = 298,945,167.72
  5. Step 5: Solve for x
    x = 298,945,167.72/15,381.52
  6. Step 6: Final answer
    x = 19,435.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.