Home / 12,069.04-16,647.60-8,705.68

Finding the Fourth Proportional to 12,069.04, 16,647.60 and 8,705.68

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Solution

The fourth proportional to 12,069.04, 16,647.60 and 8,705.68 is: 12,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.04 : 16,647.60 = 8,705.68 : x
  2. Step 2: Convert to fraction form
    12,069.04/16,647.60 = 8,705.68/x
  3. Step 3: Cross multiply
    12,069.04x = 16,647.60 × 8,705.68
  4. Step 4: Simplify right side
    12,069.04x = 144,928,678.37
  5. Step 5: Solve for x
    x = 144,928,678.37/12,069.04
  6. Step 6: Final answer
    x = 12,008.30

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Double scale
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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.