Home / 18,847.10-26,005.65-10,886.42

Finding the Fourth Proportional to 18,847.10, 26,005.65 and 10,886.42

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Solution

The fourth proportional to 18,847.10, 26,005.65 and 10,886.42 is: 15,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.10 : 26,005.65 = 10,886.42 : x
  2. Step 2: Convert to fraction form
    18,847.10/26,005.65 = 10,886.42/x
  3. Step 3: Cross multiply
    18,847.10x = 26,005.65 × 10,886.42
  4. Step 4: Simplify right side
    18,847.10x = 283,108,428.27
  5. Step 5: Solve for x
    x = 283,108,428.27/18,847.10
  6. Step 6: Final answer
    x = 15,021.33

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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.