Home / 13,280.28-19,910.16-6,703.08

Finding the Fourth Proportional to 13,280.28, 19,910.16 and 6,703.08

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Solution

The fourth proportional to 13,280.28, 19,910.16 and 6,703.08 is: 10,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,280.28 : 19,910.16 = 6,703.08 : x
  2. Step 2: Convert to fraction form
    13,280.28/19,910.16 = 6,703.08/x
  3. Step 3: Cross multiply
    13,280.28x = 19,910.16 × 6,703.08
  4. Step 4: Simplify right side
    13,280.28x = 133,459,395.29
  5. Step 5: Solve for x
    x = 133,459,395.29/13,280.28
  6. Step 6: Final answer
    x = 10,049.44

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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.