Home / 18,880.79-26,062.58-14,178.65

Finding the Fourth Proportional to 18,880.79, 26,062.58 and 14,178.65

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Solution

The fourth proportional to 18,880.79, 26,062.58 and 14,178.65 is: 19,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,880.79 : 26,062.58 = 14,178.65 : x
  2. Step 2: Convert to fraction form
    18,880.79/26,062.58 = 14,178.65/x
  3. Step 3: Cross multiply
    18,880.79x = 26,062.58 × 14,178.65
  4. Step 4: Simplify right side
    18,880.79x = 369,532,129.02
  5. Step 5: Solve for x
    x = 369,532,129.02/18,880.79
  6. Step 6: Final answer
    x = 19,571.86

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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.