Home / 20,206.06-30,289.65-10,349.98

Finding the Fourth Proportional to 20,206.06, 30,289.65 and 10,349.98

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Solution

The fourth proportional to 20,206.06, 30,289.65 and 10,349.98 is: 15,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.06 : 30,289.65 = 10,349.98 : x
  2. Step 2: Convert to fraction form
    20,206.06/30,289.65 = 10,349.98/x
  3. Step 3: Cross multiply
    20,206.06x = 30,289.65 × 10,349.98
  4. Step 4: Simplify right side
    20,206.06x = 313,497,271.71
  5. Step 5: Solve for x
    x = 313,497,271.71/20,206.06
  6. Step 6: Final answer
    x = 15,515.01

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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.