Home / 12,864.89-19,297.49-4,539.07

Finding the Fourth Proportional to 12,864.89, 19,297.49 and 4,539.07

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Solution

The fourth proportional to 12,864.89, 19,297.49 and 4,539.07 is: 6,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.89 : 19,297.49 = 4,539.07 : x
  2. Step 2: Convert to fraction form
    12,864.89/19,297.49 = 4,539.07/x
  3. Step 3: Cross multiply
    12,864.89x = 19,297.49 × 4,539.07
  4. Step 4: Simplify right side
    12,864.89x = 87,592,621.04
  5. Step 5: Solve for x
    x = 87,592,621.04/12,864.89
  6. Step 6: Final answer
    x = 6,808.66

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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.