Home / 14,014.80-19,339.70-8,709.50

Finding the Fourth Proportional to 14,014.80, 19,339.70 and 8,709.50

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Solution

The fourth proportional to 14,014.80, 19,339.70 and 8,709.50 is: 12,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.80 : 19,339.70 = 8,709.50 : x
  2. Step 2: Convert to fraction form
    14,014.80/19,339.70 = 8,709.50/x
  3. Step 3: Cross multiply
    14,014.80x = 19,339.70 × 8,709.50
  4. Step 4: Simplify right side
    14,014.80x = 168,439,121.95
  5. Step 5: Solve for x
    x = 168,439,121.95/14,014.80
  6. Step 6: Final answer
    x = 12,018.66

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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.