Home / 10,089.36-13,923.72-6,312.60

Finding the Fourth Proportional to 10,089.36, 13,923.72 and 6,312.60

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Solution

The fourth proportional to 10,089.36, 13,923.72 and 6,312.60 is: 8,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.36 : 13,923.72 = 6,312.60 : x
  2. Step 2: Convert to fraction form
    10,089.36/13,923.72 = 6,312.60/x
  3. Step 3: Cross multiply
    10,089.36x = 13,923.72 × 6,312.60
  4. Step 4: Simplify right side
    10,089.36x = 87,894,874.87
  5. Step 5: Solve for x
    x = 87,894,874.87/10,089.36
  6. Step 6: Final answer
    x = 8,711.64

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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.