Home / 18,991.02-26,207.10-10,607.52

Finding the Fourth Proportional to 18,991.02, 26,207.10 and 10,607.52

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Solution

The fourth proportional to 18,991.02, 26,207.10 and 10,607.52 is: 14,638.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.02 : 26,207.10 = 10,607.52 : x
  2. Step 2: Convert to fraction form
    18,991.02/26,207.10 = 10,607.52/x
  3. Step 3: Cross multiply
    18,991.02x = 26,207.10 × 10,607.52
  4. Step 4: Simplify right side
    18,991.02x = 277,992,337.39
  5. Step 5: Solve for x
    x = 277,992,337.39/18,991.02
  6. Step 6: Final answer
    x = 14,638.09

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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.