Home / 10,259.80-15,389.70-3,334.30

Finding the Fourth Proportional to 10,259.80, 15,389.70 and 3,334.30

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Solution

The fourth proportional to 10,259.80, 15,389.70 and 3,334.30 is: 5,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.80 : 15,389.70 = 3,334.30 : x
  2. Step 2: Convert to fraction form
    10,259.80/15,389.70 = 3,334.30/x
  3. Step 3: Cross multiply
    10,259.80x = 15,389.70 × 3,334.30
  4. Step 4: Simplify right side
    10,259.80x = 51,313,876.71
  5. Step 5: Solve for x
    x = 51,313,876.71/10,259.80
  6. Step 6: Final answer
    x = 5,001.45

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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.