Home / 11,559.81-15,952.52-6,254.61

Finding the Fourth Proportional to 11,559.81, 15,952.52 and 6,254.61

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Solution

The fourth proportional to 11,559.81, 15,952.52 and 6,254.61 is: 8,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.81 : 15,952.52 = 6,254.61 : x
  2. Step 2: Convert to fraction form
    11,559.81/15,952.52 = 6,254.61/x
  3. Step 3: Cross multiply
    11,559.81x = 15,952.52 × 6,254.61
  4. Step 4: Simplify right side
    11,559.81x = 99,776,759.84
  5. Step 5: Solve for x
    x = 99,776,759.84/11,559.81
  6. Step 6: Final answer
    x = 8,631.35

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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.