Home / 12,557.44-17,328.69-6,892.06

Finding the Fourth Proportional to 12,557.44, 17,328.69 and 6,892.06

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Solution

The fourth proportional to 12,557.44, 17,328.69 and 6,892.06 is: 9,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.44 : 17,328.69 = 6,892.06 : x
  2. Step 2: Convert to fraction form
    12,557.44/17,328.69 = 6,892.06/x
  3. Step 3: Cross multiply
    12,557.44x = 17,328.69 × 6,892.06
  4. Step 4: Simplify right side
    12,557.44x = 119,430,371.20
  5. Step 5: Solve for x
    x = 119,430,371.20/12,557.44
  6. Step 6: Final answer
    x = 9,510.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.