Home / 12,974.19-19,461.77-4,539.05

Finding the Fourth Proportional to 12,974.19, 19,461.77 and 4,539.05

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Solution

The fourth proportional to 12,974.19, 19,461.77 and 4,539.05 is: 6,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,974.19 : 19,461.77 = 4,539.05 : x
  2. Step 2: Convert to fraction form
    12,974.19/19,461.77 = 4,539.05/x
  3. Step 3: Cross multiply
    12,974.19x = 19,461.77 × 4,539.05
  4. Step 4: Simplify right side
    12,974.19x = 88,337,947.12
  5. Step 5: Solve for x
    x = 88,337,947.12/12,974.19
  6. Step 6: Final answer
    x = 6,808.74

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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.