Home / 13,884.55-19,160.77-8,507.00

Finding the Fourth Proportional to 13,884.55, 19,160.77 and 8,507.00

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Solution

The fourth proportional to 13,884.55, 19,160.77 and 8,507.00 is: 11,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.55 : 19,160.77 = 8,507.00 : x
  2. Step 2: Convert to fraction form
    13,884.55/19,160.77 = 8,507.00/x
  3. Step 3: Cross multiply
    13,884.55x = 19,160.77 × 8,507.00
  4. Step 4: Simplify right side
    13,884.55x = 163,000,637.10
  5. Step 5: Solve for x
    x = 163,000,637.10/13,884.55
  6. Step 6: Final answer
    x = 11,739.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.