Home / 10,478.07-14,463.35-6,286.32

Finding the Fourth Proportional to 10,478.07, 14,463.35 and 6,286.32

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Solution

The fourth proportional to 10,478.07, 14,463.35 and 6,286.32 is: 8,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.07 : 14,463.35 = 6,286.32 : x
  2. Step 2: Convert to fraction form
    10,478.07/14,463.35 = 6,286.32/x
  3. Step 3: Cross multiply
    10,478.07x = 14,463.35 × 6,286.32
  4. Step 4: Simplify right side
    10,478.07x = 90,921,246.37
  5. Step 5: Solve for x
    x = 90,921,246.37/10,478.07
  6. Step 6: Final answer
    x = 8,677.29

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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.