Home / 13,086.09-19,639.53-6,848.01

Finding the Fourth Proportional to 13,086.09, 19,639.53 and 6,848.01

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Solution

The fourth proportional to 13,086.09, 19,639.53 and 6,848.01 is: 10,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,086.09 : 19,639.53 = 6,848.01 : x
  2. Step 2: Convert to fraction form
    13,086.09/19,639.53 = 6,848.01/x
  3. Step 3: Cross multiply
    13,086.09x = 19,639.53 × 6,848.01
  4. Step 4: Simplify right side
    13,086.09x = 134,491,697.84
  5. Step 5: Solve for x
    x = 134,491,697.84/13,086.09
  6. Step 6: Final answer
    x = 10,277.45

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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.