Home / 11,312.58-16,969.80-3,521.34

Finding the Fourth Proportional to 11,312.58, 16,969.80 and 3,521.34

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Solution

The fourth proportional to 11,312.58, 16,969.80 and 3,521.34 is: 5,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.58 : 16,969.80 = 3,521.34 : x
  2. Step 2: Convert to fraction form
    11,312.58/16,969.80 = 3,521.34/x
  3. Step 3: Cross multiply
    11,312.58x = 16,969.80 × 3,521.34
  4. Step 4: Simplify right side
    11,312.58x = 59,756,435.53
  5. Step 5: Solve for x
    x = 59,756,435.53/11,312.58
  6. Step 6: Final answer
    x = 5,282.30

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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.