Home / 18,926.76-26,119.26-10,429.86

Finding the Fourth Proportional to 18,926.76, 26,119.26 and 10,429.86

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Solution

The fourth proportional to 18,926.76, 26,119.26 and 10,429.86 is: 14,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.76 : 26,119.26 = 10,429.86 : x
  2. Step 2: Convert to fraction form
    18,926.76/26,119.26 = 10,429.86/x
  3. Step 3: Cross multiply
    18,926.76x = 26,119.26 × 10,429.86
  4. Step 4: Simplify right side
    18,926.76x = 272,420,225.10
  5. Step 5: Solve for x
    x = 272,420,225.10/18,926.76
  6. Step 6: Final answer
    x = 14,393.39

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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.