Home / 21,397.09-32,098.71-6,607.15

Finding the Fourth Proportional to 21,397.09, 32,098.71 and 6,607.15

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Solution

The fourth proportional to 21,397.09, 32,098.71 and 6,607.15 is: 9,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.09 : 32,098.71 = 6,607.15 : x
  2. Step 2: Convert to fraction form
    21,397.09/32,098.71 = 6,607.15/x
  3. Step 3: Cross multiply
    21,397.09x = 32,098.71 × 6,607.15
  4. Step 4: Simplify right side
    21,397.09x = 212,080,991.78
  5. Step 5: Solve for x
    x = 212,080,991.78/21,397.09
  6. Step 6: Final answer
    x = 9,911.67

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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.