Home / 13,746.14-18,967.50-8,085.74

Finding the Fourth Proportional to 13,746.14, 18,967.50 and 8,085.74

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Solution

The fourth proportional to 13,746.14, 18,967.50 and 8,085.74 is: 11,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.14 : 18,967.50 = 8,085.74 : x
  2. Step 2: Convert to fraction form
    13,746.14/18,967.50 = 8,085.74/x
  3. Step 3: Cross multiply
    13,746.14x = 18,967.50 × 8,085.74
  4. Step 4: Simplify right side
    13,746.14x = 153,366,273.45
  5. Step 5: Solve for x
    x = 153,366,273.45/13,746.14
  6. Step 6: Final answer
    x = 11,157.04

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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.