Home / 12,460.31-18,599.30-10,984.07

Finding the Fourth Proportional to 12,460.31, 18,599.30 and 10,984.07

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Solution

The fourth proportional to 12,460.31, 18,599.30 and 10,984.07 is: 16,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.31 : 18,599.30 = 10,984.07 : x
  2. Step 2: Convert to fraction form
    12,460.31/18,599.30 = 10,984.07/x
  3. Step 3: Cross multiply
    12,460.31x = 18,599.30 × 10,984.07
  4. Step 4: Simplify right side
    12,460.31x = 204,296,013.15
  5. Step 5: Solve for x
    x = 204,296,013.15/12,460.31
  6. Step 6: Final answer
    x = 16,395.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.