Home / 13,136.55-19,697.24-8,981.59

Finding the Fourth Proportional to 13,136.55, 19,697.24 and 8,981.59

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Solution

The fourth proportional to 13,136.55, 19,697.24 and 8,981.59 is: 13,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136.55 : 19,697.24 = 8,981.59 : x
  2. Step 2: Convert to fraction form
    13,136.55/19,697.24 = 8,981.59/x
  3. Step 3: Cross multiply
    13,136.55x = 19,697.24 × 8,981.59
  4. Step 4: Simplify right side
    13,136.55x = 176,912,533.81
  5. Step 5: Solve for x
    x = 176,912,533.81/13,136.55
  6. Step 6: Final answer
    x = 13,467.20

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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.