Home / 12,929.60-19,334.46-9,810.30

Finding the Fourth Proportional to 12,929.60, 19,334.46 and 9,810.30

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Solution

The fourth proportional to 12,929.60, 19,334.46 and 9,810.30 is: 14,669.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.60 : 19,334.46 = 9,810.30 : x
  2. Step 2: Convert to fraction form
    12,929.60/19,334.46 = 9,810.30/x
  3. Step 3: Cross multiply
    12,929.60x = 19,334.46 × 9,810.30
  4. Step 4: Simplify right side
    12,929.60x = 189,676,852.94
  5. Step 5: Solve for x
    x = 189,676,852.94/12,929.60
  6. Step 6: Final answer
    x = 14,669.97

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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.