Home / 12,526.86-18,790.22-3,166.87

Finding the Fourth Proportional to 12,526.86, 18,790.22 and 3,166.87

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Solution

The fourth proportional to 12,526.86, 18,790.22 and 3,166.87 is: 4,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.86 : 18,790.22 = 3,166.87 : x
  2. Step 2: Convert to fraction form
    12,526.86/18,790.22 = 3,166.87/x
  3. Step 3: Cross multiply
    12,526.86x = 18,790.22 × 3,166.87
  4. Step 4: Simplify right side
    12,526.86x = 59,506,168.18
  5. Step 5: Solve for x
    x = 59,506,168.18/12,526.86
  6. Step 6: Final answer
    x = 4,750.29

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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.