Home / 15,300.33-22,901.90-8,270.34

Finding the Fourth Proportional to 15,300.33, 22,901.90 and 8,270.34

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Solution

The fourth proportional to 15,300.33, 22,901.90 and 8,270.34 is: 12,379.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300.33 : 22,901.90 = 8,270.34 : x
  2. Step 2: Convert to fraction form
    15,300.33/22,901.90 = 8,270.34/x
  3. Step 3: Cross multiply
    15,300.33x = 22,901.90 × 8,270.34
  4. Step 4: Simplify right side
    15,300.33x = 189,406,458.29
  5. Step 5: Solve for x
    x = 189,406,458.29/15,300.33
  6. Step 6: Final answer
    x = 12,379.24

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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.