Home / 21,343.49-32,018.99-7,300.21

Finding the Fourth Proportional to 21,343.49, 32,018.99 and 7,300.21

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Solution

The fourth proportional to 21,343.49, 32,018.99 and 7,300.21 is: 10,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343.49 : 32,018.99 = 7,300.21 : x
  2. Step 2: Convert to fraction form
    21,343.49/32,018.99 = 7,300.21/x
  3. Step 3: Cross multiply
    21,343.49x = 32,018.99 × 7,300.21
  4. Step 4: Simplify right side
    21,343.49x = 233,745,350.99
  5. Step 5: Solve for x
    x = 233,745,350.99/21,343.49
  6. Step 6: Final answer
    x = 10,951.60

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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.