Home / 13,047.79-19,572.39-3,688.54

Finding the Fourth Proportional to 13,047.79, 19,572.39 and 3,688.54

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Solution

The fourth proportional to 13,047.79, 19,572.39 and 3,688.54 is: 5,533.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.79 : 19,572.39 = 3,688.54 : x
  2. Step 2: Convert to fraction form
    13,047.79/19,572.39 = 3,688.54/x
  3. Step 3: Cross multiply
    13,047.79x = 19,572.39 × 3,688.54
  4. Step 4: Simplify right side
    13,047.79x = 72,193,505.11
  5. Step 5: Solve for x
    x = 72,193,505.11/13,047.79
  6. Step 6: Final answer
    x = 5,533.01

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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.