Home / 20,206.04-30,315.35-10,352.23

Finding the Fourth Proportional to 20,206.04, 30,315.35 and 10,352.23

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Solution

The fourth proportional to 20,206.04, 30,315.35 and 10,352.23 is: 15,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206.04 : 30,315.35 = 10,352.23 : x
  2. Step 2: Convert to fraction form
    20,206.04/30,315.35 = 10,352.23/x
  3. Step 3: Cross multiply
    20,206.04x = 30,315.35 × 10,352.23
  4. Step 4: Simplify right side
    20,206.04x = 313,831,425.82
  5. Step 5: Solve for x
    x = 313,831,425.82/20,206.04
  6. Step 6: Final answer
    x = 15,531.57

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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.