Home / 14,691.25-20,263.47-10,377.39

Finding the Fourth Proportional to 14,691.25, 20,263.47 and 10,377.39

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Solution

The fourth proportional to 14,691.25, 20,263.47 and 10,377.39 is: 14,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.25 : 20,263.47 = 10,377.39 : x
  2. Step 2: Convert to fraction form
    14,691.25/20,263.47 = 10,377.39/x
  3. Step 3: Cross multiply
    14,691.25x = 20,263.47 × 10,377.39
  4. Step 4: Simplify right side
    14,691.25x = 210,281,911.03
  5. Step 5: Solve for x
    x = 210,281,911.03/14,691.25
  6. Step 6: Final answer
    x = 14,313.41

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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.