Home / 14,282.93-19,708.58-8,315.66

Finding the Fourth Proportional to 14,282.93, 19,708.58 and 8,315.66

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Solution

The fourth proportional to 14,282.93, 19,708.58 and 8,315.66 is: 11,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,282.93 : 19,708.58 = 8,315.66 : x
  2. Step 2: Convert to fraction form
    14,282.93/19,708.58 = 8,315.66/x
  3. Step 3: Cross multiply
    14,282.93x = 19,708.58 × 8,315.66
  4. Step 4: Simplify right side
    14,282.93x = 163,889,808.78
  5. Step 5: Solve for x
    x = 163,889,808.78/14,282.93
  6. Step 6: Final answer
    x = 11,474.52

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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.