Home / 14,930.54-20,603.71-8,124.35

Finding the Fourth Proportional to 14,930.54, 20,603.71 and 8,124.35

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Solution

The fourth proportional to 14,930.54, 20,603.71 and 8,124.35 is: 11,211.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.54 : 20,603.71 = 8,124.35 : x
  2. Step 2: Convert to fraction form
    14,930.54/20,603.71 = 8,124.35/x
  3. Step 3: Cross multiply
    14,930.54x = 20,603.71 × 8,124.35
  4. Step 4: Simplify right side
    14,930.54x = 167,391,751.34
  5. Step 5: Solve for x
    x = 167,391,751.34/14,930.54
  6. Step 6: Final answer
    x = 11,211.37

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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.