Home / 18,925.37-28,338.82-10,117.23

Finding the Fourth Proportional to 18,925.37, 28,338.82 and 10,117.23

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Solution

The fourth proportional to 18,925.37, 28,338.82 and 10,117.23 is: 15,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.37 : 28,338.82 = 10,117.23 : x
  2. Step 2: Convert to fraction form
    18,925.37/28,338.82 = 10,117.23/x
  3. Step 3: Cross multiply
    18,925.37x = 28,338.82 × 10,117.23
  4. Step 4: Simplify right side
    18,925.37x = 286,710,359.87
  5. Step 5: Solve for x
    x = 286,710,359.87/18,925.37
  6. Step 6: Final answer
    x = 15,149.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.