Home / 13,088.16-19,600.32-9,964.80

Finding the Fourth Proportional to 13,088.16, 19,600.32 and 9,964.80

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Solution

The fourth proportional to 13,088.16, 19,600.32 and 9,964.80 is: 14,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.16 : 19,600.32 = 9,964.80 : x
  2. Step 2: Convert to fraction form
    13,088.16/19,600.32 = 9,964.80/x
  3. Step 3: Cross multiply
    13,088.16x = 19,600.32 × 9,964.80
  4. Step 4: Simplify right side
    13,088.16x = 195,313,268.74
  5. Step 5: Solve for x
    x = 195,313,268.74/13,088.16
  6. Step 6: Final answer
    x = 14,922.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.