Home / 12,012.32-16,579.96-7,299.74

Finding the Fourth Proportional to 12,012.32, 16,579.96 and 7,299.74

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Solution

The fourth proportional to 12,012.32, 16,579.96 and 7,299.74 is: 10,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012.32 : 16,579.96 = 7,299.74 : x
  2. Step 2: Convert to fraction form
    12,012.32/16,579.96 = 7,299.74/x
  3. Step 3: Cross multiply
    12,012.32x = 16,579.96 × 7,299.74
  4. Step 4: Simplify right side
    12,012.32x = 121,029,397.21
  5. Step 5: Solve for x
    x = 121,029,397.21/12,012.32
  6. Step 6: Final answer
    x = 10,075.44

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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.