Home / 15,435.93-23,103.39-8,398.38

Finding the Fourth Proportional to 15,435.93, 23,103.39 and 8,398.38

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Solution

The fourth proportional to 15,435.93, 23,103.39 and 8,398.38 is: 12,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.93 : 23,103.39 = 8,398.38 : x
  2. Step 2: Convert to fraction form
    15,435.93/23,103.39 = 8,398.38/x
  3. Step 3: Cross multiply
    15,435.93x = 23,103.39 × 8,398.38
  4. Step 4: Simplify right side
    15,435.93x = 194,031,048.51
  5. Step 5: Solve for x
    x = 194,031,048.51/15,435.93
  6. Step 6: Final answer
    x = 12,570.09

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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.