Home / 14,075.21-19,417.74-8,105.60

Finding the Fourth Proportional to 14,075.21, 19,417.74 and 8,105.60

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Solution

The fourth proportional to 14,075.21, 19,417.74 and 8,105.60 is: 11,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.21 : 19,417.74 = 8,105.60 : x
  2. Step 2: Convert to fraction form
    14,075.21/19,417.74 = 8,105.60/x
  3. Step 3: Cross multiply
    14,075.21x = 19,417.74 × 8,105.60
  4. Step 4: Simplify right side
    14,075.21x = 157,392,336.26
  5. Step 5: Solve for x
    x = 157,392,336.26/14,075.21
  6. Step 6: Final answer
    x = 11,182.24

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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.