Home / 11,376.72-17,065.40-3,880.16

Finding the Fourth Proportional to 11,376.72, 17,065.40 and 3,880.16

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Solution

The fourth proportional to 11,376.72, 17,065.40 and 3,880.16 is: 5,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.72 : 17,065.40 = 3,880.16 : x
  2. Step 2: Convert to fraction form
    11,376.72/17,065.40 = 3,880.16/x
  3. Step 3: Cross multiply
    11,376.72x = 17,065.40 × 3,880.16
  4. Step 4: Simplify right side
    11,376.72x = 66,216,482.46
  5. Step 5: Solve for x
    x = 66,216,482.46/11,376.72
  6. Step 6: Final answer
    x = 5,820.35

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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.