Home / 19,323.57-28,980.69-5,283.66

Finding the Fourth Proportional to 19,323.57, 28,980.69 and 5,283.66

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Solution

The fourth proportional to 19,323.57, 28,980.69 and 5,283.66 is: 7,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,323.57 : 28,980.69 = 5,283.66 : x
  2. Step 2: Convert to fraction form
    19,323.57/28,980.69 = 5,283.66/x
  3. Step 3: Cross multiply
    19,323.57x = 28,980.69 × 5,283.66
  4. Step 4: Simplify right side
    19,323.57x = 153,124,112.53
  5. Step 5: Solve for x
    x = 153,124,112.53/19,323.57
  6. Step 6: Final answer
    x = 7,924.21

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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.