Home / 14,239.08-19,646.60-8,267.15

Finding the Fourth Proportional to 14,239.08, 19,646.60 and 8,267.15

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Solution

The fourth proportional to 14,239.08, 19,646.60 and 8,267.15 is: 11,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.08 : 19,646.60 = 8,267.15 : x
  2. Step 2: Convert to fraction form
    14,239.08/19,646.60 = 8,267.15/x
  3. Step 3: Cross multiply
    14,239.08x = 19,646.60 × 8,267.15
  4. Step 4: Simplify right side
    14,239.08x = 162,421,249.62
  5. Step 5: Solve for x
    x = 162,421,249.62/14,239.08
  6. Step 6: Final answer
    x = 11,406.72

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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.