Home / 10,018.80-13,823.46-6,477.75

Finding the Fourth Proportional to 10,018.80, 13,823.46 and 6,477.75

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Solution

The fourth proportional to 10,018.80, 13,823.46 and 6,477.75 is: 8,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.80 : 13,823.46 = 6,477.75 : x
  2. Step 2: Convert to fraction form
    10,018.80/13,823.46 = 6,477.75/x
  3. Step 3: Cross multiply
    10,018.80x = 13,823.46 × 6,477.75
  4. Step 4: Simplify right side
    10,018.80x = 89,544,918.02
  5. Step 5: Solve for x
    x = 89,544,918.02/10,018.80
  6. Step 6: Final answer
    x = 8,937.69

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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.