Home / 14,136.21-21,176.03-8,510.76

Finding the Fourth Proportional to 14,136.21, 21,176.03 and 8,510.76

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Solution

The fourth proportional to 14,136.21, 21,176.03 and 8,510.76 is: 12,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.21 : 21,176.03 = 8,510.76 : x
  2. Step 2: Convert to fraction form
    14,136.21/21,176.03 = 8,510.76/x
  3. Step 3: Cross multiply
    14,136.21x = 21,176.03 × 8,510.76
  4. Step 4: Simplify right side
    14,136.21x = 180,224,130.36
  5. Step 5: Solve for x
    x = 180,224,130.36/14,136.21
  6. Step 6: Final answer
    x = 12,749.11

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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.