Home / 19,364.57-29,048.58-7,518.06

Finding the Fourth Proportional to 19,364.57, 29,048.58 and 7,518.06

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Solution

The fourth proportional to 19,364.57, 29,048.58 and 7,518.06 is: 11,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.57 : 29,048.58 = 7,518.06 : x
  2. Step 2: Convert to fraction form
    19,364.57/29,048.58 = 7,518.06/x
  3. Step 3: Cross multiply
    19,364.57x = 29,048.58 × 7,518.06
  4. Step 4: Simplify right side
    19,364.57x = 218,388,967.35
  5. Step 5: Solve for x
    x = 218,388,967.35/19,364.57
  6. Step 6: Final answer
    x = 11,277.76

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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.