Home / 13,062.95-19,608.26-8,136.05

Finding the Fourth Proportional to 13,062.95, 19,608.26 and 8,136.05

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Solution

The fourth proportional to 13,062.95, 19,608.26 and 8,136.05 is: 12,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.95 : 19,608.26 = 8,136.05 : x
  2. Step 2: Convert to fraction form
    13,062.95/19,608.26 = 8,136.05/x
  3. Step 3: Cross multiply
    13,062.95x = 19,608.26 × 8,136.05
  4. Step 4: Simplify right side
    13,062.95x = 159,533,792.11
  5. Step 5: Solve for x
    x = 159,533,792.11/13,062.95
  6. Step 6: Final answer
    x = 12,212.70

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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.