Home / 12,056.98-16,639.14-7,458.76

Finding the Fourth Proportional to 12,056.98, 16,639.14 and 7,458.76

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Solution

The fourth proportional to 12,056.98, 16,639.14 and 7,458.76 is: 10,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.98 : 16,639.14 = 7,458.76 : x
  2. Step 2: Convert to fraction form
    12,056.98/16,639.14 = 7,458.76/x
  3. Step 3: Cross multiply
    12,056.98x = 16,639.14 × 7,458.76
  4. Step 4: Simplify right side
    12,056.98x = 124,107,351.87
  5. Step 5: Solve for x
    x = 124,107,351.87/12,056.98
  6. Step 6: Final answer
    x = 10,293.40

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Half scale
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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.