Home / 15,328.86-23,004.72-11,389.20

Finding the Fourth Proportional to 15,328.86, 23,004.72 and 11,389.20

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Solution

The fourth proportional to 15,328.86, 23,004.72 and 11,389.20 is: 17,092.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.86 : 23,004.72 = 11,389.20 : x
  2. Step 2: Convert to fraction form
    15,328.86/23,004.72 = 11,389.20/x
  3. Step 3: Cross multiply
    15,328.86x = 23,004.72 × 11,389.20
  4. Step 4: Simplify right side
    15,328.86x = 262,005,357.02
  5. Step 5: Solve for x
    x = 262,005,357.02/15,328.86
  6. Step 6: Final answer
    x = 17,092.29

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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.