Home / 14,470.23-21,707.95-5,115.71

Finding the Fourth Proportional to 14,470.23, 21,707.95 and 5,115.71

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Solution

The fourth proportional to 14,470.23, 21,707.95 and 5,115.71 is: 7,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.23 : 21,707.95 = 5,115.71 : x
  2. Step 2: Convert to fraction form
    14,470.23/21,707.95 = 5,115.71/x
  3. Step 3: Cross multiply
    14,470.23x = 21,707.95 × 5,115.71
  4. Step 4: Simplify right side
    14,470.23x = 111,051,576.89
  5. Step 5: Solve for x
    x = 111,051,576.89/14,470.23
  6. Step 6: Final answer
    x = 7,674.49

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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.