Home / 19,283.04-28,918.88-8,746.97

Finding the Fourth Proportional to 19,283.04, 28,918.88 and 8,746.97

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Solution

The fourth proportional to 19,283.04, 28,918.88 and 8,746.97 is: 13,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.04 : 28,918.88 = 8,746.97 : x
  2. Step 2: Convert to fraction form
    19,283.04/28,918.88 = 8,746.97/x
  3. Step 3: Cross multiply
    19,283.04x = 28,918.88 × 8,746.97
  4. Step 4: Simplify right side
    19,283.04x = 252,952,431.20
  5. Step 5: Solve for x
    x = 252,952,431.20/19,283.04
  6. Step 6: Final answer
    x = 13,117.87

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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.