Home / 21,739.98-32,603.49-6,948.30

Finding the Fourth Proportional to 21,739.98, 32,603.49 and 6,948.30

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Solution

The fourth proportional to 21,739.98, 32,603.49 and 6,948.30 is: 10,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.98 : 32,603.49 = 6,948.30 : x
  2. Step 2: Convert to fraction form
    21,739.98/32,603.49 = 6,948.30/x
  3. Step 3: Cross multiply
    21,739.98x = 32,603.49 × 6,948.30
  4. Step 4: Simplify right side
    21,739.98x = 226,538,829.57
  5. Step 5: Solve for x
    x = 226,538,829.57/21,739.98
  6. Step 6: Final answer
    x = 10,420.38

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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.