Home / 10,695.12-14,759.30-5,980.52

Finding the Fourth Proportional to 10,695.12, 14,759.30 and 5,980.52

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Solution

The fourth proportional to 10,695.12, 14,759.30 and 5,980.52 is: 8,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.12 : 14,759.30 = 5,980.52 : x
  2. Step 2: Convert to fraction form
    10,695.12/14,759.30 = 5,980.52/x
  3. Step 3: Cross multiply
    10,695.12x = 14,759.30 × 5,980.52
  4. Step 4: Simplify right side
    10,695.12x = 88,268,288.84
  5. Step 5: Solve for x
    x = 88,268,288.84/10,695.12
  6. Step 6: Final answer
    x = 8,253.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.