Home / 12,037.79-16,606.55-7,790.22

Finding the Fourth Proportional to 12,037.79, 16,606.55 and 7,790.22

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Solution

The fourth proportional to 12,037.79, 16,606.55 and 7,790.22 is: 10,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.79 : 16,606.55 = 7,790.22 : x
  2. Step 2: Convert to fraction form
    12,037.79/16,606.55 = 7,790.22/x
  3. Step 3: Cross multiply
    12,037.79x = 16,606.55 × 7,790.22
  4. Step 4: Simplify right side
    12,037.79x = 129,368,677.94
  5. Step 5: Solve for x
    x = 129,368,677.94/12,037.79
  6. Step 6: Final answer
    x = 10,746.88

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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.