Home / 20,595.51-30,903.62-8,124.48

Finding the Fourth Proportional to 20,595.51, 30,903.62 and 8,124.48

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Solution

The fourth proportional to 20,595.51, 30,903.62 and 8,124.48 is: 12,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,595.51 : 30,903.62 = 8,124.48 : x
  2. Step 2: Convert to fraction form
    20,595.51/30,903.62 = 8,124.48/x
  3. Step 3: Cross multiply
    20,595.51x = 30,903.62 × 8,124.48
  4. Step 4: Simplify right side
    20,595.51x = 251,075,802.00
  5. Step 5: Solve for x
    x = 251,075,802.00/20,595.51
  6. Step 6: Final answer
    x = 12,190.80

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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.