Home / 13,002.76-19,504.95-5,210.56

Finding the Fourth Proportional to 13,002.76, 19,504.95 and 5,210.56

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Solution

The fourth proportional to 13,002.76, 19,504.95 and 5,210.56 is: 7,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002.76 : 19,504.95 = 5,210.56 : x
  2. Step 2: Convert to fraction form
    13,002.76/19,504.95 = 5,210.56/x
  3. Step 3: Cross multiply
    13,002.76x = 19,504.95 × 5,210.56
  4. Step 4: Simplify right side
    13,002.76x = 101,631,712.27
  5. Step 5: Solve for x
    x = 101,631,712.27/13,002.76
  6. Step 6: Final answer
    x = 7,816.16

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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.