Home / 13,647.16-18,751.43-10,847.80

Finding the Fourth Proportional to 13,647.16, 18,751.43 and 10,847.80

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Solution

The fourth proportional to 13,647.16, 18,751.43 and 10,847.80 is: 14,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.16 : 18,751.43 = 10,847.80 : x
  2. Step 2: Convert to fraction form
    13,647.16/18,751.43 = 10,847.80/x
  3. Step 3: Cross multiply
    13,647.16x = 18,751.43 × 10,847.80
  4. Step 4: Simplify right side
    13,647.16x = 203,411,762.35
  5. Step 5: Solve for x
    x = 203,411,762.35/13,647.16
  6. Step 6: Final answer
    x = 14,905.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.