Home / 10,664.48-16,001.69-6,714.79

Finding the Fourth Proportional to 10,664.48, 16,001.69 and 6,714.79

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Solution

The fourth proportional to 10,664.48, 16,001.69 and 6,714.79 is: 10,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.48 : 16,001.69 = 6,714.79 : x
  2. Step 2: Convert to fraction form
    10,664.48/16,001.69 = 6,714.79/x
  3. Step 3: Cross multiply
    10,664.48x = 16,001.69 × 6,714.79
  4. Step 4: Simplify right side
    10,664.48x = 107,447,914.42
  5. Step 5: Solve for x
    x = 107,447,914.42/10,664.48
  6. Step 6: Final answer
    x = 10,075.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.