Home / 12,364.07-18,549.34-5,440.19

Finding the Fourth Proportional to 12,364.07, 18,549.34 and 5,440.19

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Solution

The fourth proportional to 12,364.07, 18,549.34 and 5,440.19 is: 8,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.07 : 18,549.34 = 5,440.19 : x
  2. Step 2: Convert to fraction form
    12,364.07/18,549.34 = 5,440.19/x
  3. Step 3: Cross multiply
    12,364.07x = 18,549.34 × 5,440.19
  4. Step 4: Simplify right side
    12,364.07x = 100,911,827.63
  5. Step 5: Solve for x
    x = 100,911,827.63/12,364.07
  6. Step 6: Final answer
    x = 8,161.70

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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.