Home / 18,845.43-26,008.76-10,779.84

Finding the Fourth Proportional to 18,845.43, 26,008.76 and 10,779.84

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Solution

The fourth proportional to 18,845.43, 26,008.76 and 10,779.84 is: 14,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.43 : 26,008.76 = 10,779.84 : x
  2. Step 2: Convert to fraction form
    18,845.43/26,008.76 = 10,779.84/x
  3. Step 3: Cross multiply
    18,845.43x = 26,008.76 × 10,779.84
  4. Step 4: Simplify right side
    18,845.43x = 280,370,271.40
  5. Step 5: Solve for x
    x = 280,370,271.40/18,845.43
  6. Step 6: Final answer
    x = 14,877.36

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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.