Home / 14,057.52-21,075.86-8,509.55

Finding the Fourth Proportional to 14,057.52, 21,075.86 and 8,509.55

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Solution

The fourth proportional to 14,057.52, 21,075.86 and 8,509.55 is: 12,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.52 : 21,075.86 = 8,509.55 : x
  2. Step 2: Convert to fraction form
    14,057.52/21,075.86 = 8,509.55/x
  3. Step 3: Cross multiply
    14,057.52x = 21,075.86 × 8,509.55
  4. Step 4: Simplify right side
    14,057.52x = 179,346,023.73
  5. Step 5: Solve for x
    x = 179,346,023.73/14,057.52
  6. Step 6: Final answer
    x = 12,758.02

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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.