Home / 10,719.15-14,793.35-6,243.32

Finding the Fourth Proportional to 10,719.15, 14,793.35 and 6,243.32

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Solution

The fourth proportional to 10,719.15, 14,793.35 and 6,243.32 is: 8,616.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.15 : 14,793.35 = 6,243.32 : x
  2. Step 2: Convert to fraction form
    10,719.15/14,793.35 = 6,243.32/x
  3. Step 3: Cross multiply
    10,719.15x = 14,793.35 × 6,243.32
  4. Step 4: Simplify right side
    10,719.15x = 92,359,528.45
  5. Step 5: Solve for x
    x = 92,359,528.45/10,719.15
  6. Step 6: Final answer
    x = 8,616.31

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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.