Home / 14,678.12-20,252.13-8,709.50

Finding the Fourth Proportional to 14,678.12, 20,252.13 and 8,709.50

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Solution

The fourth proportional to 14,678.12, 20,252.13 and 8,709.50 is: 12,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.12 : 20,252.13 = 8,709.50 : x
  2. Step 2: Convert to fraction form
    14,678.12/20,252.13 = 8,709.50/x
  3. Step 3: Cross multiply
    14,678.12x = 20,252.13 × 8,709.50
  4. Step 4: Simplify right side
    14,678.12x = 176,385,926.24
  5. Step 5: Solve for x
    x = 176,385,926.24/14,678.12
  6. Step 6: Final answer
    x = 12,016.93

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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.