Home / 21,579.95-32,369.93-6,790.37

Finding the Fourth Proportional to 21,579.95, 32,369.93 and 6,790.37

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Solution

The fourth proportional to 21,579.95, 32,369.93 and 6,790.37 is: 10,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.95 : 32,369.93 = 6,790.37 : x
  2. Step 2: Convert to fraction form
    21,579.95/32,369.93 = 6,790.37/x
  3. Step 3: Cross multiply
    21,579.95x = 32,369.93 × 6,790.37
  4. Step 4: Simplify right side
    21,579.95x = 219,803,605.77
  5. Step 5: Solve for x
    x = 219,803,605.77/21,579.95
  6. Step 6: Final answer
    x = 10,185.55

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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.