Home / 15,470.51-23,209.94-7,143.71

Finding the Fourth Proportional to 15,470.51, 23,209.94 and 7,143.71

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Solution

The fourth proportional to 15,470.51, 23,209.94 and 7,143.71 is: 10,717.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.51 : 23,209.94 = 7,143.71 : x
  2. Step 2: Convert to fraction form
    15,470.51/23,209.94 = 7,143.71/x
  3. Step 3: Cross multiply
    15,470.51x = 23,209.94 × 7,143.71
  4. Step 4: Simplify right side
    15,470.51x = 165,804,982.29
  5. Step 5: Solve for x
    x = 165,804,982.29/15,470.51
  6. Step 6: Final answer
    x = 10,717.49

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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.