Home / 18,999.04-26,218.24-10,616.32

Finding the Fourth Proportional to 18,999.04, 26,218.24 and 10,616.32

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Solution

The fourth proportional to 18,999.04, 26,218.24 and 10,616.32 is: 14,650.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,999.04 : 26,218.24 = 10,616.32 : x
  2. Step 2: Convert to fraction form
    18,999.04/26,218.24 = 10,616.32/x
  3. Step 3: Cross multiply
    18,999.04x = 26,218.24 × 10,616.32
  4. Step 4: Simplify right side
    18,999.04x = 278,341,225.68
  5. Step 5: Solve for x
    x = 278,341,225.68/18,999.04
  6. Step 6: Final answer
    x = 14,650.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.