Home / 14,685.36-20,265.52-8,313.16

Finding the Fourth Proportional to 14,685.36, 20,265.52 and 8,313.16

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Solution

The fourth proportional to 14,685.36, 20,265.52 and 8,313.16 is: 11,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.36 : 20,265.52 = 8,313.16 : x
  2. Step 2: Convert to fraction form
    14,685.36/20,265.52 = 8,313.16/x
  3. Step 3: Cross multiply
    14,685.36x = 20,265.52 × 8,313.16
  4. Step 4: Simplify right side
    14,685.36x = 168,470,540.25
  5. Step 5: Solve for x
    x = 168,470,540.25/14,685.36
  6. Step 6: Final answer
    x = 11,472.00

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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.