Home / 13,856.46-19,121.02-7,568.83

Finding the Fourth Proportional to 13,856.46, 19,121.02 and 7,568.83

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Solution

The fourth proportional to 13,856.46, 19,121.02 and 7,568.83 is: 10,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.46 : 19,121.02 = 7,568.83 : x
  2. Step 2: Convert to fraction form
    13,856.46/19,121.02 = 7,568.83/x
  3. Step 3: Cross multiply
    13,856.46x = 19,121.02 × 7,568.83
  4. Step 4: Simplify right side
    13,856.46x = 144,723,749.81
  5. Step 5: Solve for x
    x = 144,723,749.81/13,856.46
  6. Step 6: Final answer
    x = 10,444.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.