Home / 18,784.20-28,159.29-7,094.28

Finding the Fourth Proportional to 18,784.20, 28,159.29 and 7,094.28

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Solution

The fourth proportional to 18,784.20, 28,159.29 and 7,094.28 is: 10,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,784.20 : 28,159.29 = 7,094.28 : x
  2. Step 2: Convert to fraction form
    18,784.20/28,159.29 = 7,094.28/x
  3. Step 3: Cross multiply
    18,784.20x = 28,159.29 × 7,094.28
  4. Step 4: Simplify right side
    18,784.20x = 199,769,887.86
  5. Step 5: Solve for x
    x = 199,769,887.86/18,784.20
  6. Step 6: Final answer
    x = 10,635.00

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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.