Home / 12,267.80-16,903.51-8,281.99

Finding the Fourth Proportional to 12,267.80, 16,903.51 and 8,281.99

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Solution

The fourth proportional to 12,267.80, 16,903.51 and 8,281.99 is: 11,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267.80 : 16,903.51 = 8,281.99 : x
  2. Step 2: Convert to fraction form
    12,267.80/16,903.51 = 8,281.99/x
  3. Step 3: Cross multiply
    12,267.80x = 16,903.51 × 8,281.99
  4. Step 4: Simplify right side
    12,267.80x = 139,994,700.78
  5. Step 5: Solve for x
    x = 139,994,700.78/12,267.80
  6. Step 6: Final answer
    x = 11,411.56

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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.