Home / 19,147.86-26,423.58-10,649.96

Finding the Fourth Proportional to 19,147.86, 26,423.58 and 10,649.96

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Solution

The fourth proportional to 19,147.86, 26,423.58 and 10,649.96 is: 14,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.86 : 26,423.58 = 10,649.96 : x
  2. Step 2: Convert to fraction form
    19,147.86/26,423.58 = 10,649.96/x
  3. Step 3: Cross multiply
    19,147.86x = 26,423.58 × 10,649.96
  4. Step 4: Simplify right side
    19,147.86x = 281,409,937.94
  5. Step 5: Solve for x
    x = 281,409,937.94/19,147.86
  6. Step 6: Final answer
    x = 14,696.68

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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.