Home / 15,460.30-21,310.32-12,097.72

Finding the Fourth Proportional to 15,460.30, 21,310.32 and 12,097.72

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Solution

The fourth proportional to 15,460.30, 21,310.32 and 12,097.72 is: 16,675.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.30 : 21,310.32 = 12,097.72 : x
  2. Step 2: Convert to fraction form
    15,460.30/21,310.32 = 12,097.72/x
  3. Step 3: Cross multiply
    15,460.30x = 21,310.32 × 12,097.72
  4. Step 4: Simplify right side
    15,460.30x = 257,806,284.47
  5. Step 5: Solve for x
    x = 257,806,284.47/15,460.30
  6. Step 6: Final answer
    x = 16,675.37

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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.