Home / 12,864.60-19,282.82-6,624.99

Finding the Fourth Proportional to 12,864.60, 19,282.82 and 6,624.99

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Solution

The fourth proportional to 12,864.60, 19,282.82 and 6,624.99 is: 9,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.60 : 19,282.82 = 6,624.99 : x
  2. Step 2: Convert to fraction form
    12,864.60/19,282.82 = 6,624.99/x
  3. Step 3: Cross multiply
    12,864.60x = 19,282.82 × 6,624.99
  4. Step 4: Simplify right side
    12,864.60x = 127,748,506.23
  5. Step 5: Solve for x
    x = 127,748,506.23/12,864.60
  6. Step 6: Final answer
    x = 9,930.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.