Home / 18,930.26-26,124.90-10,432.36

Finding the Fourth Proportional to 18,930.26, 26,124.90 and 10,432.36

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Solution

The fourth proportional to 18,930.26, 26,124.90 and 10,432.36 is: 14,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930.26 : 26,124.90 = 10,432.36 : x
  2. Step 2: Convert to fraction form
    18,930.26/26,124.90 = 10,432.36/x
  3. Step 3: Cross multiply
    18,930.26x = 26,124.90 × 10,432.36
  4. Step 4: Simplify right side
    18,930.26x = 272,544,361.76
  5. Step 5: Solve for x
    x = 272,544,361.76/18,930.26
  6. Step 6: Final answer
    x = 14,397.29

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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.