Home / 10,340.80-15,513.09-4,497.46

Finding the Fourth Proportional to 10,340.80, 15,513.09 and 4,497.46

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Solution

The fourth proportional to 10,340.80, 15,513.09 and 4,497.46 is: 6,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.80 : 15,513.09 = 4,497.46 : x
  2. Step 2: Convert to fraction form
    10,340.80/15,513.09 = 4,497.46/x
  3. Step 3: Cross multiply
    10,340.80x = 15,513.09 × 4,497.46
  4. Step 4: Simplify right side
    10,340.80x = 69,769,501.75
  5. Step 5: Solve for x
    x = 69,769,501.75/10,340.80
  6. Step 6: Final answer
    x = 6,747.01

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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.