Home / 20,223.30-30,270.15-10,840.26

Finding the Fourth Proportional to 20,223.30, 30,270.15 and 10,840.26

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Solution

The fourth proportional to 20,223.30, 30,270.15 and 10,840.26 is: 16,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.30 : 30,270.15 = 10,840.26 : x
  2. Step 2: Convert to fraction form
    20,223.30/30,270.15 = 10,840.26/x
  3. Step 3: Cross multiply
    20,223.30x = 30,270.15 × 10,840.26
  4. Step 4: Simplify right side
    20,223.30x = 328,136,296.24
  5. Step 5: Solve for x
    x = 328,136,296.24/20,223.30
  6. Step 6: Final answer
    x = 16,225.66

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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.