Home / 12,570.06-18,828.62-5,989.62

Finding the Fourth Proportional to 12,570.06, 18,828.62 and 5,989.62

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Solution

The fourth proportional to 12,570.06, 18,828.62 and 5,989.62 is: 8,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.06 : 18,828.62 = 5,989.62 : x
  2. Step 2: Convert to fraction form
    12,570.06/18,828.62 = 5,989.62/x
  3. Step 3: Cross multiply
    12,570.06x = 18,828.62 × 5,989.62
  4. Step 4: Simplify right side
    12,570.06x = 112,776,278.92
  5. Step 5: Solve for x
    x = 112,776,278.92/12,570.06
  6. Step 6: Final answer
    x = 8,971.82

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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.