Home / 15,678.91-23,506.29-13,596.05

Finding the Fourth Proportional to 15,678.91, 23,506.29 and 13,596.05

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Solution

The fourth proportional to 15,678.91, 23,506.29 and 13,596.05 is: 20,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.91 : 23,506.29 = 13,596.05 : x
  2. Step 2: Convert to fraction form
    15,678.91/23,506.29 = 13,596.05/x
  3. Step 3: Cross multiply
    15,678.91x = 23,506.29 × 13,596.05
  4. Step 4: Simplify right side
    15,678.91x = 319,592,576.62
  5. Step 5: Solve for x
    x = 319,592,576.62/15,678.91
  6. Step 6: Final answer
    x = 20,383.60

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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.