Home / 12,888.93-19,340.69-5,492.62

Finding the Fourth Proportional to 12,888.93, 19,340.69 and 5,492.62

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Solution

The fourth proportional to 12,888.93, 19,340.69 and 5,492.62 is: 8,242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.93 : 19,340.69 = 5,492.62 : x
  2. Step 2: Convert to fraction form
    12,888.93/19,340.69 = 5,492.62/x
  3. Step 3: Cross multiply
    12,888.93x = 19,340.69 × 5,492.62
  4. Step 4: Simplify right side
    12,888.93x = 106,231,060.71
  5. Step 5: Solve for x
    x = 106,231,060.71/12,888.93
  6. Step 6: Final answer
    x = 8,242.04

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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.