Home / 13,505.19-20,259.95-5,714.07

Finding the Fourth Proportional to 13,505.19, 20,259.95 and 5,714.07

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Solution

The fourth proportional to 13,505.19, 20,259.95 and 5,714.07 is: 8,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.19 : 20,259.95 = 5,714.07 : x
  2. Step 2: Convert to fraction form
    13,505.19/20,259.95 = 5,714.07/x
  3. Step 3: Cross multiply
    13,505.19x = 20,259.95 × 5,714.07
  4. Step 4: Simplify right side
    13,505.19x = 115,766,743.93
  5. Step 5: Solve for x
    x = 115,766,743.93/13,505.19
  6. Step 6: Final answer
    x = 8,572.02

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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.