Home / 13,408.06-20,113.95-4,047.01

Finding the Fourth Proportional to 13,408.06, 20,113.95 and 4,047.01

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Solution

The fourth proportional to 13,408.06, 20,113.95 and 4,047.01 is: 6,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.06 : 20,113.95 = 4,047.01 : x
  2. Step 2: Convert to fraction form
    13,408.06/20,113.95 = 4,047.01/x
  3. Step 3: Cross multiply
    13,408.06x = 20,113.95 × 4,047.01
  4. Step 4: Simplify right side
    13,408.06x = 81,401,400.68
  5. Step 5: Solve for x
    x = 81,401,400.68/13,408.06
  6. Step 6: Final answer
    x = 6,071.08

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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.