Home / 15,430.74-23,147.34-5,571.01

Finding the Fourth Proportional to 15,430.74, 23,147.34 and 5,571.01

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Solution

The fourth proportional to 15,430.74, 23,147.34 and 5,571.01 is: 8,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.74 : 23,147.34 = 5,571.01 : x
  2. Step 2: Convert to fraction form
    15,430.74/23,147.34 = 5,571.01/x
  3. Step 3: Cross multiply
    15,430.74x = 23,147.34 × 5,571.01
  4. Step 4: Simplify right side
    15,430.74x = 128,954,062.61
  5. Step 5: Solve for x
    x = 128,954,062.61/15,430.74
  6. Step 6: Final answer
    x = 8,356.96

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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.