Home / 13,816.02-19,055.60-8,971.86

Finding the Fourth Proportional to 13,816.02, 19,055.60 and 8,971.86

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Solution

The fourth proportional to 13,816.02, 19,055.60 and 8,971.86 is: 12,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.02 : 19,055.60 = 8,971.86 : x
  2. Step 2: Convert to fraction form
    13,816.02/19,055.60 = 8,971.86/x
  3. Step 3: Cross multiply
    13,816.02x = 19,055.60 × 8,971.86
  4. Step 4: Simplify right side
    13,816.02x = 170,964,175.42
  5. Step 5: Solve for x
    x = 170,964,175.42/13,816.02
  6. Step 6: Final answer
    x = 12,374.34

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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.