Home / 12,459.52-17,193.32-6,870.56

Finding the Fourth Proportional to 12,459.52, 17,193.32 and 6,870.56

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Solution

The fourth proportional to 12,459.52, 17,193.32 and 6,870.56 is: 9,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.52 : 17,193.32 = 6,870.56 : x
  2. Step 2: Convert to fraction form
    12,459.52/17,193.32 = 6,870.56/x
  3. Step 3: Cross multiply
    12,459.52x = 17,193.32 × 6,870.56
  4. Step 4: Simplify right side
    12,459.52x = 118,127,736.66
  5. Step 5: Solve for x
    x = 118,127,736.66/12,459.52
  6. Step 6: Final answer
    x = 9,480.92

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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.