Home / 13,693.95-20,514.27-8,999.80

Finding the Fourth Proportional to 13,693.95, 20,514.27 and 8,999.80

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Solution

The fourth proportional to 13,693.95, 20,514.27 and 8,999.80 is: 13,482.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693.95 : 20,514.27 = 8,999.80 : x
  2. Step 2: Convert to fraction form
    13,693.95/20,514.27 = 8,999.80/x
  3. Step 3: Cross multiply
    13,693.95x = 20,514.27 × 8,999.80
  4. Step 4: Simplify right side
    13,693.95x = 184,624,275.86
  5. Step 5: Solve for x
    x = 184,624,275.86/13,693.95
  6. Step 6: Final answer
    x = 13,482.18

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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.