Home / 9,719.77-13,415.41-6,182.29

Finding the Fourth Proportional to 9,719.77, 13,415.41 and 6,182.29

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Solution

The fourth proportional to 9,719.77, 13,415.41 and 6,182.29 is: 8,532.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.77 : 13,415.41 = 6,182.29 : x
  2. Step 2: Convert to fraction form
    9,719.77/13,415.41 = 6,182.29/x
  3. Step 3: Cross multiply
    9,719.77x = 13,415.41 × 6,182.29
  4. Step 4: Simplify right side
    9,719.77x = 82,937,955.09
  5. Step 5: Solve for x
    x = 82,937,955.09/9,719.77
  6. Step 6: Final answer
    x = 8,532.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.