Home / 15,618.12-23,430.32-5,757.45

Finding the Fourth Proportional to 15,618.12, 23,430.32 and 5,757.45

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Solution

The fourth proportional to 15,618.12, 23,430.32 and 5,757.45 is: 8,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.12 : 23,430.32 = 5,757.45 : x
  2. Step 2: Convert to fraction form
    15,618.12/23,430.32 = 5,757.45/x
  3. Step 3: Cross multiply
    15,618.12x = 23,430.32 × 5,757.45
  4. Step 4: Simplify right side
    15,618.12x = 134,898,867.10
  5. Step 5: Solve for x
    x = 134,898,867.10/15,618.12
  6. Step 6: Final answer
    x = 8,637.33

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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.