Home / 13,208.30-19,810.35-4,886.43

Finding the Fourth Proportional to 13,208.30, 19,810.35 and 4,886.43

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Solution

The fourth proportional to 13,208.30, 19,810.35 and 4,886.43 is: 7,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208.30 : 19,810.35 = 4,886.43 : x
  2. Step 2: Convert to fraction form
    13,208.30/19,810.35 = 4,886.43/x
  3. Step 3: Cross multiply
    13,208.30x = 19,810.35 × 4,886.43
  4. Step 4: Simplify right side
    13,208.30x = 96,801,777.28
  5. Step 5: Solve for x
    x = 96,801,777.28/13,208.30
  6. Step 6: Final answer
    x = 7,328.86

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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.