Home / 21,459.51-32,186.52-6,668.10

Finding the Fourth Proportional to 21,459.51, 32,186.52 and 6,668.10

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Solution

The fourth proportional to 21,459.51, 32,186.52 and 6,668.10 is: 10,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.51 : 32,186.52 = 6,668.10 : x
  2. Step 2: Convert to fraction form
    21,459.51/32,186.52 = 6,668.10/x
  3. Step 3: Cross multiply
    21,459.51x = 32,186.52 × 6,668.10
  4. Step 4: Simplify right side
    21,459.51x = 214,622,934.01
  5. Step 5: Solve for x
    x = 214,622,934.01/21,459.51
  6. Step 6: Final answer
    x = 10,001.30

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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.