Home / 19,520.85-29,277.95-7,038.39

Finding the Fourth Proportional to 19,520.85, 29,277.95 and 7,038.39

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Solution

The fourth proportional to 19,520.85, 29,277.95 and 7,038.39 is: 10,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.85 : 29,277.95 = 7,038.39 : x
  2. Step 2: Convert to fraction form
    19,520.85/29,277.95 = 7,038.39/x
  3. Step 3: Cross multiply
    19,520.85x = 29,277.95 × 7,038.39
  4. Step 4: Simplify right side
    19,520.85x = 206,069,630.50
  5. Step 5: Solve for x
    x = 206,069,630.50/19,520.85
  6. Step 6: Final answer
    x = 10,556.39

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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.