Home / 20,072.04-30,162.53-10,718.57

Finding the Fourth Proportional to 20,072.04, 30,162.53 and 10,718.57

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Solution

The fourth proportional to 20,072.04, 30,162.53 and 10,718.57 is: 16,106.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.04 : 30,162.53 = 10,718.57 : x
  2. Step 2: Convert to fraction form
    20,072.04/30,162.53 = 10,718.57/x
  3. Step 3: Cross multiply
    20,072.04x = 30,162.53 × 10,718.57
  4. Step 4: Simplify right side
    20,072.04x = 323,299,065.17
  5. Step 5: Solve for x
    x = 323,299,065.17/20,072.04
  6. Step 6: Final answer
    x = 16,106.94

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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.