Home / 18,905.02-26,089.54-10,408.01

Finding the Fourth Proportional to 18,905.02, 26,089.54 and 10,408.01

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Solution

The fourth proportional to 18,905.02, 26,089.54 and 10,408.01 is: 14,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,905.02 : 26,089.54 = 10,408.01 : x
  2. Step 2: Convert to fraction form
    18,905.02/26,089.54 = 10,408.01/x
  3. Step 3: Cross multiply
    18,905.02x = 26,089.54 × 10,408.01
  4. Step 4: Simplify right side
    18,905.02x = 271,540,297.08
  5. Step 5: Solve for x
    x = 271,540,297.08/18,905.02
  6. Step 6: Final answer
    x = 14,363.40

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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.