Home / 13,157.76-19,744.80-5,259.24

Finding the Fourth Proportional to 13,157.76, 19,744.80 and 5,259.24

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Solution

The fourth proportional to 13,157.76, 19,744.80 and 5,259.24 is: 7,892.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.76 : 19,744.80 = 5,259.24 : x
  2. Step 2: Convert to fraction form
    13,157.76/19,744.80 = 5,259.24/x
  3. Step 3: Cross multiply
    13,157.76x = 19,744.80 × 5,259.24
  4. Step 4: Simplify right side
    13,157.76x = 103,842,641.95
  5. Step 5: Solve for x
    x = 103,842,641.95/13,157.76
  6. Step 6: Final answer
    x = 7,892.12

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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.