Home / 10,210.86-14,089.32-6,427.44

Finding the Fourth Proportional to 10,210.86, 14,089.32 and 6,427.44

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Solution

The fourth proportional to 10,210.86, 14,089.32 and 6,427.44 is: 8,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.86 : 14,089.32 = 6,427.44 : x
  2. Step 2: Convert to fraction form
    10,210.86/14,089.32 = 6,427.44/x
  3. Step 3: Cross multiply
    10,210.86x = 14,089.32 × 6,427.44
  4. Step 4: Simplify right side
    10,210.86x = 90,558,258.94
  5. Step 5: Solve for x
    x = 90,558,258.94/10,210.86
  6. Step 6: Final answer
    x = 8,868.82

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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.