Home / 13,210.00-19,811.25-5,812.88

Finding the Fourth Proportional to 13,210.00, 19,811.25 and 5,812.88

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Solution

The fourth proportional to 13,210.00, 19,811.25 and 5,812.88 is: 8,717.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.00 : 19,811.25 = 5,812.88 : x
  2. Step 2: Convert to fraction form
    13,210.00/19,811.25 = 5,812.88/x
  3. Step 3: Cross multiply
    13,210.00x = 19,811.25 × 5,812.88
  4. Step 4: Simplify right side
    13,210.00x = 115,160,319.84
  5. Step 5: Solve for x
    x = 115,160,319.84/13,210.00
  6. Step 6: Final answer
    x = 8,717.66

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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.