Home / 13,373.18-18,445.42-8,894.70

Finding the Fourth Proportional to 13,373.18, 18,445.42 and 8,894.70

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Solution

The fourth proportional to 13,373.18, 18,445.42 and 8,894.70 is: 12,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.18 : 18,445.42 = 8,894.70 : x
  2. Step 2: Convert to fraction form
    13,373.18/18,445.42 = 8,894.70/x
  3. Step 3: Cross multiply
    13,373.18x = 18,445.42 × 8,894.70
  4. Step 4: Simplify right side
    13,373.18x = 164,066,477.27
  5. Step 5: Solve for x
    x = 164,066,477.27/13,373.18
  6. Step 6: Final answer
    x = 12,268.32

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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.