Home / 9,120.71-13,681.20-6,020.57

Finding the Fourth Proportional to 9,120.71, 13,681.20 and 6,020.57

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Solution

The fourth proportional to 9,120.71, 13,681.20 and 6,020.57 is: 9,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.71 : 13,681.20 = 6,020.57 : x
  2. Step 2: Convert to fraction form
    9,120.71/13,681.20 = 6,020.57/x
  3. Step 3: Cross multiply
    9,120.71x = 13,681.20 × 6,020.57
  4. Step 4: Simplify right side
    9,120.71x = 82,368,622.28
  5. Step 5: Solve for x
    x = 82,368,622.28/9,120.71
  6. Step 6: Final answer
    x = 9,030.94

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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.