Home / 11,485.61-15,800.93-10,993.53

Finding the Fourth Proportional to 11,485.61, 15,800.93 and 10,993.53

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Solution

The fourth proportional to 11,485.61, 15,800.93 and 10,993.53 is: 15,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,485.61 : 15,800.93 = 10,993.53 : x
  2. Step 2: Convert to fraction form
    11,485.61/15,800.93 = 10,993.53/x
  3. Step 3: Cross multiply
    11,485.61x = 15,800.93 × 10,993.53
  4. Step 4: Simplify right side
    11,485.61x = 173,707,943.02
  5. Step 5: Solve for x
    x = 173,707,943.02/11,485.61
  6. Step 6: Final answer
    x = 15,123.97

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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.