Home / 13,557.40-20,338.95-4,673.54

Finding the Fourth Proportional to 13,557.40, 20,338.95 and 4,673.54

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Solution

The fourth proportional to 13,557.40, 20,338.95 and 4,673.54 is: 7,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.40 : 20,338.95 = 4,673.54 : x
  2. Step 2: Convert to fraction form
    13,557.40/20,338.95 = 4,673.54/x
  3. Step 3: Cross multiply
    13,557.40x = 20,338.95 × 4,673.54
  4. Step 4: Simplify right side
    13,557.40x = 95,054,896.38
  5. Step 5: Solve for x
    x = 95,054,896.38/13,557.40
  6. Step 6: Final answer
    x = 7,011.29

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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.