Home / 15,571.74-23,357.29-4,478.49

Finding the Fourth Proportional to 15,571.74, 23,357.29 and 4,478.49

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Solution

The fourth proportional to 15,571.74, 23,357.29 and 4,478.49 is: 6,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.74 : 23,357.29 = 4,478.49 : x
  2. Step 2: Convert to fraction form
    15,571.74/23,357.29 = 4,478.49/x
  3. Step 3: Cross multiply
    15,571.74x = 23,357.29 × 4,478.49
  4. Step 4: Simplify right side
    15,571.74x = 104,605,389.69
  5. Step 5: Solve for x
    x = 104,605,389.69/15,571.74
  6. Step 6: Final answer
    x = 6,717.64

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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.