Home / 10,487.72-14,479.80-6,514.58

Finding the Fourth Proportional to 10,487.72, 14,479.80 and 6,514.58

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Solution

The fourth proportional to 10,487.72, 14,479.80 and 6,514.58 is: 8,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.72 : 14,479.80 = 6,514.58 : x
  2. Step 2: Convert to fraction form
    10,487.72/14,479.80 = 6,514.58/x
  3. Step 3: Cross multiply
    10,487.72x = 14,479.80 × 6,514.58
  4. Step 4: Simplify right side
    10,487.72x = 94,329,815.48
  5. Step 5: Solve for x
    x = 94,329,815.48/10,487.72
  6. Step 6: Final answer
    x = 8,994.31

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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.