Home / 14,559.40-21,855.30-7,998.40

Finding the Fourth Proportional to 14,559.40, 21,855.30 and 7,998.40

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Solution

The fourth proportional to 14,559.40, 21,855.30 and 7,998.40 is: 12,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.40 : 21,855.30 = 7,998.40 : x
  2. Step 2: Convert to fraction form
    14,559.40/21,855.30 = 7,998.40/x
  3. Step 3: Cross multiply
    14,559.40x = 21,855.30 × 7,998.40
  4. Step 4: Simplify right side
    14,559.40x = 174,807,431.52
  5. Step 5: Solve for x
    x = 174,807,431.52/14,559.40
  6. Step 6: Final answer
    x = 12,006.50

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Half scale
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Double scale
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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.