Home / 13,275.86-19,896.08-4,947.48

Finding the Fourth Proportional to 13,275.86, 19,896.08 and 4,947.48

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Solution

The fourth proportional to 13,275.86, 19,896.08 and 4,947.48 is: 7,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.86 : 19,896.08 = 4,947.48 : x
  2. Step 2: Convert to fraction form
    13,275.86/19,896.08 = 4,947.48/x
  3. Step 3: Cross multiply
    13,275.86x = 19,896.08 × 4,947.48
  4. Step 4: Simplify right side
    13,275.86x = 98,435,457.88
  5. Step 5: Solve for x
    x = 98,435,457.88/13,275.86
  6. Step 6: Final answer
    x = 7,414.62

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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.