Home / 12,685.97-19,024.77-4,365.80

Finding the Fourth Proportional to 12,685.97, 19,024.77 and 4,365.80

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Solution

The fourth proportional to 12,685.97, 19,024.77 and 4,365.80 is: 6,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,685.97 : 19,024.77 = 4,365.80 : x
  2. Step 2: Convert to fraction form
    12,685.97/19,024.77 = 4,365.80/x
  3. Step 3: Cross multiply
    12,685.97x = 19,024.77 × 4,365.80
  4. Step 4: Simplify right side
    12,685.97x = 83,058,333.46
  5. Step 5: Solve for x
    x = 83,058,333.46/12,685.97
  6. Step 6: Final answer
    x = 6,547.26

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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.