Home / 13,037.59-17,987.16-8,563.75

Finding the Fourth Proportional to 13,037.59, 17,987.16 and 8,563.75

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Solution

The fourth proportional to 13,037.59, 17,987.16 and 8,563.75 is: 11,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.59 : 17,987.16 = 8,563.75 : x
  2. Step 2: Convert to fraction form
    13,037.59/17,987.16 = 8,563.75/x
  3. Step 3: Cross multiply
    13,037.59x = 17,987.16 × 8,563.75
  4. Step 4: Simplify right side
    13,037.59x = 154,037,541.45
  5. Step 5: Solve for x
    x = 154,037,541.45/13,037.59
  6. Step 6: Final answer
    x = 11,814.88

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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.