Home / 21,898.04-32,847.58-7,107

Finding the Fourth Proportional to 21,898.04, 32,847.58 and 7,107

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Solution

The fourth proportional to 21,898.04, 32,847.58 and 7,107 is: 10,660.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,898.04 : 32,847.58 = 7,107 : x
  2. Step 2: Convert to fraction form
    21,898.04/32,847.58 = 7,107/x
  3. Step 3: Cross multiply
    21,898.04x = 32,847.58 × 7,107
  4. Step 4: Simplify right side
    21,898.04x = 233,447,751.06
  5. Step 5: Solve for x
    x = 233,447,751.06/21,898.04
  6. Step 6: Final answer
    x = 10,660.67

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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.