Home / 12,111.04-16,711.36-6,804.84

Finding the Fourth Proportional to 12,111.04, 16,711.36 and 6,804.84

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Solution

The fourth proportional to 12,111.04, 16,711.36 and 6,804.84 is: 9,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111.04 : 16,711.36 = 6,804.84 : x
  2. Step 2: Convert to fraction form
    12,111.04/16,711.36 = 6,804.84/x
  3. Step 3: Cross multiply
    12,111.04x = 16,711.36 × 6,804.84
  4. Step 4: Simplify right side
    12,111.04x = 113,718,130.98
  5. Step 5: Solve for x
    x = 113,718,130.98/12,111.04
  6. Step 6: Final answer
    x = 9,389.63

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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.