Home / 17,285.81-23,856.53-11,318.94

Finding the Fourth Proportional to 17,285.81, 23,856.53 and 11,318.94

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Solution

The fourth proportional to 17,285.81, 23,856.53 and 11,318.94 is: 15,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.81 : 23,856.53 = 11,318.94 : x
  2. Step 2: Convert to fraction form
    17,285.81/23,856.53 = 11,318.94/x
  3. Step 3: Cross multiply
    17,285.81x = 23,856.53 × 11,318.94
  4. Step 4: Simplify right side
    17,285.81x = 270,030,575.08
  5. Step 5: Solve for x
    x = 270,030,575.08/17,285.81
  6. Step 6: Final answer
    x = 15,621.52

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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.