Home / 20,214.36-30,340.80-14,597.64

Finding the Fourth Proportional to 20,214.36, 30,340.80 and 14,597.64

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Solution

The fourth proportional to 20,214.36, 30,340.80 and 14,597.64 is: 21,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.36 : 30,340.80 = 14,597.64 : x
  2. Step 2: Convert to fraction form
    20,214.36/30,340.80 = 14,597.64/x
  3. Step 3: Cross multiply
    20,214.36x = 30,340.80 × 14,597.64
  4. Step 4: Simplify right side
    20,214.36x = 442,904,075.71
  5. Step 5: Solve for x
    x = 442,904,075.71/20,214.36
  6. Step 6: Final answer
    x = 21,910.37

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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.