Home / 13,749.95-20,624.91-4,984.86

Finding the Fourth Proportional to 13,749.95, 20,624.91 and 4,984.86

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Solution

The fourth proportional to 13,749.95, 20,624.91 and 4,984.86 is: 7,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.95 : 20,624.91 = 4,984.86 : x
  2. Step 2: Convert to fraction form
    13,749.95/20,624.91 = 4,984.86/x
  3. Step 3: Cross multiply
    13,749.95x = 20,624.91 × 4,984.86
  4. Step 4: Simplify right side
    13,749.95x = 102,812,288.86
  5. Step 5: Solve for x
    x = 102,812,288.86/13,749.95
  6. Step 6: Final answer
    x = 7,477.29

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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.