Home / 18,982.02-26,196.09-11,430.69

Finding the Fourth Proportional to 18,982.02, 26,196.09 and 11,430.69

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Solution

The fourth proportional to 18,982.02, 26,196.09 and 11,430.69 is: 15,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.02 : 26,196.09 = 11,430.69 : x
  2. Step 2: Convert to fraction form
    18,982.02/26,196.09 = 11,430.69/x
  3. Step 3: Cross multiply
    18,982.02x = 26,196.09 × 11,430.69
  4. Step 4: Simplify right side
    18,982.02x = 299,439,384.00
  5. Step 5: Solve for x
    x = 299,439,384.00/18,982.02
  6. Step 6: Final answer
    x = 15,774.90

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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.