Home / 15,685.14-23,506.94-11,505.58

Finding the Fourth Proportional to 15,685.14, 23,506.94 and 11,505.58

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Solution

The fourth proportional to 15,685.14, 23,506.94 and 11,505.58 is: 17,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.14 : 23,506.94 = 11,505.58 : x
  2. Step 2: Convert to fraction form
    15,685.14/23,506.94 = 11,505.58/x
  3. Step 3: Cross multiply
    15,685.14x = 23,506.94 × 11,505.58
  4. Step 4: Simplify right side
    15,685.14x = 270,460,861.19
  5. Step 5: Solve for x
    x = 270,460,861.19/15,685.14
  6. Step 6: Final answer
    x = 17,243.13

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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.