Home / 13,543.65-20,297.02-8,280.50

Finding the Fourth Proportional to 13,543.65, 20,297.02 and 8,280.50

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Solution

The fourth proportional to 13,543.65, 20,297.02 and 8,280.50 is: 12,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543.65 : 20,297.02 = 8,280.50 : x
  2. Step 2: Convert to fraction form
    13,543.65/20,297.02 = 8,280.50/x
  3. Step 3: Cross multiply
    13,543.65x = 20,297.02 × 8,280.50
  4. Step 4: Simplify right side
    13,543.65x = 168,069,372.62
  5. Step 5: Solve for x
    x = 168,069,372.62/13,543.65
  6. Step 6: Final answer
    x = 12,409.46

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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.