Home / 19,365.59-28,975.08-11,472.35

Finding the Fourth Proportional to 19,365.59, 28,975.08 and 11,472.35

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Solution

The fourth proportional to 19,365.59, 28,975.08 and 11,472.35 is: 17,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.59 : 28,975.08 = 11,472.35 : x
  2. Step 2: Convert to fraction form
    19,365.59/28,975.08 = 11,472.35/x
  3. Step 3: Cross multiply
    19,365.59x = 28,975.08 × 11,472.35
  4. Step 4: Simplify right side
    19,365.59x = 332,412,157.18
  5. Step 5: Solve for x
    x = 332,412,157.18/19,365.59
  6. Step 6: Final answer
    x = 17,165.09

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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.