Home / 9,348.42-12,900.65-5,099.51

Finding the Fourth Proportional to 9,348.42, 12,900.65 and 5,099.51

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Solution

The fourth proportional to 9,348.42, 12,900.65 and 5,099.51 is: 7,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,348.42 : 12,900.65 = 5,099.51 : x
  2. Step 2: Convert to fraction form
    9,348.42/12,900.65 = 5,099.51/x
  3. Step 3: Cross multiply
    9,348.42x = 12,900.65 × 5,099.51
  4. Step 4: Simplify right side
    9,348.42x = 65,786,903.68
  5. Step 5: Solve for x
    x = 65,786,903.68/9,348.42
  6. Step 6: Final answer
    x = 7,037.22

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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.