Home / 10,512.12-15,769.80-3,585

Finding the Fourth Proportional to 10,512.12, 15,769.80 and 3,585

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Solution

The fourth proportional to 10,512.12, 15,769.80 and 3,585 is: 5,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.12 : 15,769.80 = 3,585 : x
  2. Step 2: Convert to fraction form
    10,512.12/15,769.80 = 3,585/x
  3. Step 3: Cross multiply
    10,512.12x = 15,769.80 × 3,585
  4. Step 4: Simplify right side
    10,512.12x = 56,534,733
  5. Step 5: Solve for x
    x = 56,534,733/10,512.12
  6. Step 6: Final answer
    x = 5,378.05

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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.