Home / 15,477.89-23,209.85-4,381.94

Finding the Fourth Proportional to 15,477.89, 23,209.85 and 4,381.94

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Solution

The fourth proportional to 15,477.89, 23,209.85 and 4,381.94 is: 6,570.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,477.89 : 23,209.85 = 4,381.94 : x
  2. Step 2: Convert to fraction form
    15,477.89/23,209.85 = 4,381.94/x
  3. Step 3: Cross multiply
    15,477.89x = 23,209.85 × 4,381.94
  4. Step 4: Simplify right side
    15,477.89x = 101,704,239.09
  5. Step 5: Solve for x
    x = 101,704,239.09/15,477.89
  6. Step 6: Final answer
    x = 6,570.94

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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.