Home / 13,275.36-19,899.14-4,951.76

Finding the Fourth Proportional to 13,275.36, 19,899.14 and 4,951.76

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Solution

The fourth proportional to 13,275.36, 19,899.14 and 4,951.76 is: 7,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.36 : 19,899.14 = 4,951.76 : x
  2. Step 2: Convert to fraction form
    13,275.36/19,899.14 = 4,951.76/x
  3. Step 3: Cross multiply
    13,275.36x = 19,899.14 × 4,951.76
  4. Step 4: Simplify right side
    13,275.36x = 98,535,765.49
  5. Step 5: Solve for x
    x = 98,535,765.49/13,275.36
  6. Step 6: Final answer
    x = 7,422.46

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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.