Home / 10,953.23-16,436.45-4,378.86

Finding the Fourth Proportional to 10,953.23, 16,436.45 and 4,378.86

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Solution

The fourth proportional to 10,953.23, 16,436.45 and 4,378.86 is: 6,570.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.23 : 16,436.45 = 4,378.86 : x
  2. Step 2: Convert to fraction form
    10,953.23/16,436.45 = 4,378.86/x
  3. Step 3: Cross multiply
    10,953.23x = 16,436.45 × 4,378.86
  4. Step 4: Simplify right side
    10,953.23x = 71,972,924.39
  5. Step 5: Solve for x
    x = 71,972,924.39/10,953.23
  6. Step 6: Final answer
    x = 6,570.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.