Home / 11,312.04-16,970.22-3,520.56

Finding the Fourth Proportional to 11,312.04, 16,970.22 and 3,520.56

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Solution

The fourth proportional to 11,312.04, 16,970.22 and 3,520.56 is: 5,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.04 : 16,970.22 = 3,520.56 : x
  2. Step 2: Convert to fraction form
    11,312.04/16,970.22 = 3,520.56/x
  3. Step 3: Cross multiply
    11,312.04x = 16,970.22 × 3,520.56
  4. Step 4: Simplify right side
    11,312.04x = 59,744,677.72
  5. Step 5: Solve for x
    x = 59,744,677.72/11,312.04
  6. Step 6: Final answer
    x = 5,281.51

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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.