Home / 10,348.43-14,187.65-10,161.90

Finding the Fourth Proportional to 10,348.43, 14,187.65 and 10,161.90

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Solution

The fourth proportional to 10,348.43, 14,187.65 and 10,161.90 is: 13,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.43 : 14,187.65 = 10,161.90 : x
  2. Step 2: Convert to fraction form
    10,348.43/14,187.65 = 10,161.90/x
  3. Step 3: Cross multiply
    10,348.43x = 14,187.65 × 10,161.90
  4. Step 4: Simplify right side
    10,348.43x = 144,173,429.73
  5. Step 5: Solve for x
    x = 144,173,429.73/10,348.43
  6. Step 6: Final answer
    x = 13,931.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.