Home / 15,926.31-23,894.46-12,428.26

Finding the Fourth Proportional to 15,926.31, 23,894.46 and 12,428.26

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Solution

The fourth proportional to 15,926.31, 23,894.46 and 12,428.26 is: 18,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.31 : 23,894.46 = 12,428.26 : x
  2. Step 2: Convert to fraction form
    15,926.31/23,894.46 = 12,428.26/x
  3. Step 3: Cross multiply
    15,926.31x = 23,894.46 × 12,428.26
  4. Step 4: Simplify right side
    15,926.31x = 296,966,561.44
  5. Step 5: Solve for x
    x = 296,966,561.44/15,926.31
  6. Step 6: Final answer
    x = 18,646.29

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1.5x scale

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.