Home / 10,328.72-14,258.04-6,138.32

Finding the Fourth Proportional to 10,328.72, 14,258.04 and 6,138.32

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Solution

The fourth proportional to 10,328.72, 14,258.04 and 6,138.32 is: 8,473.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.72 : 14,258.04 = 6,138.32 : x
  2. Step 2: Convert to fraction form
    10,328.72/14,258.04 = 6,138.32/x
  3. Step 3: Cross multiply
    10,328.72x = 14,258.04 × 6,138.32
  4. Step 4: Simplify right side
    10,328.72x = 87,520,412.09
  5. Step 5: Solve for x
    x = 87,520,412.09/10,328.72
  6. Step 6: Final answer
    x = 8,473.50

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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.