Home / 15,430.64-23,131.37-5,567.27

Finding the Fourth Proportional to 15,430.64, 23,131.37 and 5,567.27

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Solution

The fourth proportional to 15,430.64, 23,131.37 and 5,567.27 is: 8,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.64 : 23,131.37 = 5,567.27 : x
  2. Step 2: Convert to fraction form
    15,430.64/23,131.37 = 5,567.27/x
  3. Step 3: Cross multiply
    15,430.64x = 23,131.37 × 5,567.27
  4. Step 4: Simplify right side
    15,430.64x = 128,778,480.52
  5. Step 5: Solve for x
    x = 128,778,480.52/15,430.64
  6. Step 6: Final answer
    x = 8,345.64

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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.