Home / 15,435.94-23,103.40-8,398.38

Finding the Fourth Proportional to 15,435.94, 23,103.40 and 8,398.38

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Solution

The fourth proportional to 15,435.94, 23,103.40 and 8,398.38 is: 12,570.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.94 : 23,103.40 = 8,398.38 : x
  2. Step 2: Convert to fraction form
    15,435.94/23,103.40 = 8,398.38/x
  3. Step 3: Cross multiply
    15,435.94x = 23,103.40 × 8,398.38
  4. Step 4: Simplify right side
    15,435.94x = 194,031,132.49
  5. Step 5: Solve for x
    x = 194,031,132.49/15,435.94
  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.