Home / 12,220.58-16,846.70-9,029.18

Finding the Fourth Proportional to 12,220.58, 16,846.70 and 9,029.18

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Solution

The fourth proportional to 12,220.58, 16,846.70 and 9,029.18 is: 12,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220.58 : 16,846.70 = 9,029.18 : x
  2. Step 2: Convert to fraction form
    12,220.58/16,846.70 = 9,029.18/x
  3. Step 3: Cross multiply
    12,220.58x = 16,846.70 × 9,029.18
  4. Step 4: Simplify right side
    12,220.58x = 152,111,886.71
  5. Step 5: Solve for x
    x = 152,111,886.71/12,220.58
  6. Step 6: Final answer
    x = 12,447.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.