Home / 14,467.18-19,977.06-9,171.40

Finding the Fourth Proportional to 14,467.18, 19,977.06 and 9,171.40

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Solution

The fourth proportional to 14,467.18, 19,977.06 and 9,171.40 is: 12,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,467.18 : 19,977.06 = 9,171.40 : x
  2. Step 2: Convert to fraction form
    14,467.18/19,977.06 = 9,171.40/x
  3. Step 3: Cross multiply
    14,467.18x = 19,977.06 × 9,171.40
  4. Step 4: Simplify right side
    14,467.18x = 183,217,608.08
  5. Step 5: Solve for x
    x = 183,217,608.08/14,467.18
  6. Step 6: Final answer
    x = 12,664.36

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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.