Home / 13,368.04-18,450.99-8,891.98

Finding the Fourth Proportional to 13,368.04, 18,450.99 and 8,891.98

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Solution

The fourth proportional to 13,368.04, 18,450.99 and 8,891.98 is: 12,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.04 : 18,450.99 = 8,891.98 : x
  2. Step 2: Convert to fraction form
    13,368.04/18,450.99 = 8,891.98/x
  3. Step 3: Cross multiply
    13,368.04x = 18,450.99 × 8,891.98
  4. Step 4: Simplify right side
    13,368.04x = 164,065,787.93
  5. Step 5: Solve for x
    x = 164,065,787.93/13,368.04
  6. Step 6: Final answer
    x = 12,272.99

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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.