Home / 10,383.36-15,577.42-2,987.88

Finding the Fourth Proportional to 10,383.36, 15,577.42 and 2,987.88

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Solution

The fourth proportional to 10,383.36, 15,577.42 and 2,987.88 is: 4,482.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.36 : 15,577.42 = 2,987.88 : x
  2. Step 2: Convert to fraction form
    10,383.36/15,577.42 = 2,987.88/x
  3. Step 3: Cross multiply
    10,383.36x = 15,577.42 × 2,987.88
  4. Step 4: Simplify right side
    10,383.36x = 46,543,461.67
  5. Step 5: Solve for x
    x = 46,543,461.67/10,383.36
  6. Step 6: Final answer
    x = 4,482.50

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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.