Home / 18,865.02-26,041.71-12,734.06

Finding the Fourth Proportional to 18,865.02, 26,041.71 and 12,734.06

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Solution

The fourth proportional to 18,865.02, 26,041.71 and 12,734.06 is: 17,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.02 : 26,041.71 = 12,734.06 : x
  2. Step 2: Convert to fraction form
    18,865.02/26,041.71 = 12,734.06/x
  3. Step 3: Cross multiply
    18,865.02x = 26,041.71 × 12,734.06
  4. Step 4: Simplify right side
    18,865.02x = 331,616,567.43
  5. Step 5: Solve for x
    x = 331,616,567.43/18,865.02
  6. Step 6: Final answer
    x = 17,578.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.