Home / 12,424.59-18,630.99-4,521.51

Finding the Fourth Proportional to 12,424.59, 18,630.99 and 4,521.51

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Solution

The fourth proportional to 12,424.59, 18,630.99 and 4,521.51 is: 6,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.59 : 18,630.99 = 4,521.51 : x
  2. Step 2: Convert to fraction form
    12,424.59/18,630.99 = 4,521.51/x
  3. Step 3: Cross multiply
    12,424.59x = 18,630.99 × 4,521.51
  4. Step 4: Simplify right side
    12,424.59x = 84,240,207.59
  5. Step 5: Solve for x
    x = 84,240,207.59/12,424.59
  6. Step 6: Final answer
    x = 6,780.12

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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.