Home / 21,401.53-32,106.31-6,606.98

Finding the Fourth Proportional to 21,401.53, 32,106.31 and 6,606.98

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Solution

The fourth proportional to 21,401.53, 32,106.31 and 6,606.98 is: 9,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401.53 : 32,106.31 = 6,606.98 : x
  2. Step 2: Convert to fraction form
    21,401.53/32,106.31 = 6,606.98/x
  3. Step 3: Cross multiply
    21,401.53x = 32,106.31 × 6,606.98
  4. Step 4: Simplify right side
    21,401.53x = 212,125,570.99
  5. Step 5: Solve for x
    x = 212,125,570.99/21,401.53
  6. Step 6: Final answer
    x = 9,911.70

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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.