Home / 13,066.53-19,599.87-6,491.19

Finding the Fourth Proportional to 13,066.53, 19,599.87 and 6,491.19

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Solution

The fourth proportional to 13,066.53, 19,599.87 and 6,491.19 is: 9,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.53 : 19,599.87 = 6,491.19 : x
  2. Step 2: Convert to fraction form
    13,066.53/19,599.87 = 6,491.19/x
  3. Step 3: Cross multiply
    13,066.53x = 19,599.87 × 6,491.19
  4. Step 4: Simplify right side
    13,066.53x = 127,226,480.15
  5. Step 5: Solve for x
    x = 127,226,480.15/13,066.53
  6. Step 6: Final answer
    x = 9,736.82

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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.