Home / 13,746.75-20,607.84-4,979.67

Finding the Fourth Proportional to 13,746.75, 20,607.84 and 4,979.67

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Solution

The fourth proportional to 13,746.75, 20,607.84 and 4,979.67 is: 7,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.75 : 20,607.84 = 4,979.67 : x
  2. Step 2: Convert to fraction form
    13,746.75/20,607.84 = 4,979.67/x
  3. Step 3: Cross multiply
    13,746.75x = 20,607.84 × 4,979.67
  4. Step 4: Simplify right side
    13,746.75x = 102,620,242.61
  5. Step 5: Solve for x
    x = 102,620,242.61/13,746.75
  6. Step 6: Final answer
    x = 7,465.05

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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.