Home / 12,341.40-18,501.30-11,029.20

Finding the Fourth Proportional to 12,341.40, 18,501.30 and 11,029.20

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Solution

The fourth proportional to 12,341.40, 18,501.30 and 11,029.20 is: 16,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.40 : 18,501.30 = 11,029.20 : x
  2. Step 2: Convert to fraction form
    12,341.40/18,501.30 = 11,029.20/x
  3. Step 3: Cross multiply
    12,341.40x = 18,501.30 × 11,029.20
  4. Step 4: Simplify right side
    12,341.40x = 204,054,537.96
  5. Step 5: Solve for x
    x = 204,054,537.96/12,341.40
  6. Step 6: Final answer
    x = 16,534.15

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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.