Home / 21,396.81-32,106.26-9,554.21

Finding the Fourth Proportional to 21,396.81, 32,106.26 and 9,554.21

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Solution

The fourth proportional to 21,396.81, 32,106.26 and 9,554.21 is: 14,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.81 : 32,106.26 = 9,554.21 : x
  2. Step 2: Convert to fraction form
    21,396.81/32,106.26 = 9,554.21/x
  3. Step 3: Cross multiply
    21,396.81x = 32,106.26 × 9,554.21
  4. Step 4: Simplify right side
    21,396.81x = 306,749,950.35
  5. Step 5: Solve for x
    x = 306,749,950.35/21,396.81
  6. Step 6: Final answer
    x = 14,336.25

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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.