Home / 14,140.64-19,514.72-8,476.31

Finding the Fourth Proportional to 14,140.64, 19,514.72 and 8,476.31

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Solution

The fourth proportional to 14,140.64, 19,514.72 and 8,476.31 is: 11,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.64 : 19,514.72 = 8,476.31 : x
  2. Step 2: Convert to fraction form
    14,140.64/19,514.72 = 8,476.31/x
  3. Step 3: Cross multiply
    14,140.64x = 19,514.72 × 8,476.31
  4. Step 4: Simplify right side
    14,140.64x = 165,412,886.26
  5. Step 5: Solve for x
    x = 165,412,886.26/14,140.64
  6. Step 6: Final answer
    x = 11,697.69

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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.