Home / 14,539.37-21,808.64-8,656.94

Finding the Fourth Proportional to 14,539.37, 21,808.64 and 8,656.94

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Solution

The fourth proportional to 14,539.37, 21,808.64 and 8,656.94 is: 12,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.37 : 21,808.64 = 8,656.94 : x
  2. Step 2: Convert to fraction form
    14,539.37/21,808.64 = 8,656.94/x
  3. Step 3: Cross multiply
    14,539.37x = 21,808.64 × 8,656.94
  4. Step 4: Simplify right side
    14,539.37x = 188,796,164.13
  5. Step 5: Solve for x
    x = 188,796,164.13/14,539.37
  6. Step 6: Final answer
    x = 12,985.17

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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.