Home / 14,962.80-20,647.26-8,674.50

Finding the Fourth Proportional to 14,962.80, 20,647.26 and 8,674.50

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Solution

The fourth proportional to 14,962.80, 20,647.26 and 8,674.50 is: 11,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.80 : 20,647.26 = 8,674.50 : x
  2. Step 2: Convert to fraction form
    14,962.80/20,647.26 = 8,674.50/x
  3. Step 3: Cross multiply
    14,962.80x = 20,647.26 × 8,674.50
  4. Step 4: Simplify right side
    14,962.80x = 179,104,656.87
  5. Step 5: Solve for x
    x = 179,104,656.87/14,962.80
  6. Step 6: Final answer
    x = 11,970.00

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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.