Home / 15,417.78-23,126.72-3,730.98

Finding the Fourth Proportional to 15,417.78, 23,126.72 and 3,730.98

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Solution

The fourth proportional to 15,417.78, 23,126.72 and 3,730.98 is: 5,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.78 : 23,126.72 = 3,730.98 : x
  2. Step 2: Convert to fraction form
    15,417.78/23,126.72 = 3,730.98/x
  3. Step 3: Cross multiply
    15,417.78x = 23,126.72 × 3,730.98
  4. Step 4: Simplify right side
    15,417.78x = 86,285,329.79
  5. Step 5: Solve for x
    x = 86,285,329.79/15,417.78
  6. Step 6: Final answer
    x = 5,596.48

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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.