Home / 12,673.02-19,013.38-8,982.40

Finding the Fourth Proportional to 12,673.02, 19,013.38 and 8,982.40

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Solution

The fourth proportional to 12,673.02, 19,013.38 and 8,982.40 is: 13,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.02 : 19,013.38 = 8,982.40 : x
  2. Step 2: Convert to fraction form
    12,673.02/19,013.38 = 8,982.40/x
  3. Step 3: Cross multiply
    12,673.02x = 19,013.38 × 8,982.40
  4. Step 4: Simplify right side
    12,673.02x = 170,785,784.51
  5. Step 5: Solve for x
    x = 170,785,784.51/12,673.02
  6. Step 6: Final answer
    x = 13,476.33

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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.