Home / 13,007.35-19,511.03-5,210.70

Finding the Fourth Proportional to 13,007.35, 19,511.03 and 5,210.70

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Solution

The fourth proportional to 13,007.35, 19,511.03 and 5,210.70 is: 7,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.35 : 19,511.03 = 5,210.70 : x
  2. Step 2: Convert to fraction form
    13,007.35/19,511.03 = 5,210.70/x
  3. Step 3: Cross multiply
    13,007.35x = 19,511.03 × 5,210.70
  4. Step 4: Simplify right side
    13,007.35x = 101,666,124.02
  5. Step 5: Solve for x
    x = 101,666,124.02/13,007.35
  6. Step 6: Final answer
    x = 7,816.05

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Similar ratio
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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.