Home / 12,953.90-19,416.14-5,554.56

Finding the Fourth Proportional to 12,953.90, 19,416.14 and 5,554.56

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Solution

The fourth proportional to 12,953.90, 19,416.14 and 5,554.56 is: 8,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.90 : 19,416.14 = 5,554.56 : x
  2. Step 2: Convert to fraction form
    12,953.90/19,416.14 = 5,554.56/x
  3. Step 3: Cross multiply
    12,953.90x = 19,416.14 × 5,554.56
  4. Step 4: Simplify right side
    12,953.90x = 107,848,114.60
  5. Step 5: Solve for x
    x = 107,848,114.60/12,953.90
  6. Step 6: Final answer
    x = 8,325.53

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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.