Home / 10,320.36-15,480.54-2,924.88

Finding the Fourth Proportional to 10,320.36, 15,480.54 and 2,924.88

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Solution

The fourth proportional to 10,320.36, 15,480.54 and 2,924.88 is: 4,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,320.36 : 15,480.54 = 2,924.88 : x
  2. Step 2: Convert to fraction form
    10,320.36/15,480.54 = 2,924.88/x
  3. Step 3: Cross multiply
    10,320.36x = 15,480.54 × 2,924.88
  4. Step 4: Simplify right side
    10,320.36x = 45,278,802.63
  5. Step 5: Solve for x
    x = 45,278,802.63/10,320.36
  6. Step 6: Final answer
    x = 4,387.33

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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.