Home / 12,688.26-19,034.01-4,896.06

Finding the Fourth Proportional to 12,688.26, 19,034.01 and 4,896.06

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Solution

The fourth proportional to 12,688.26, 19,034.01 and 4,896.06 is: 7,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688.26 : 19,034.01 = 4,896.06 : x
  2. Step 2: Convert to fraction form
    12,688.26/19,034.01 = 4,896.06/x
  3. Step 3: Cross multiply
    12,688.26x = 19,034.01 × 4,896.06
  4. Step 4: Simplify right side
    12,688.26x = 93,191,655.00
  5. Step 5: Solve for x
    x = 93,191,655.00/12,688.26
  6. Step 6: Final answer
    x = 7,344.72

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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.