Home / 19,646.78-27,116.07-12,572.96

Finding the Fourth Proportional to 19,646.78, 27,116.07 and 12,572.96

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Solution

The fourth proportional to 19,646.78, 27,116.07 and 12,572.96 is: 17,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.78 : 27,116.07 = 12,572.96 : x
  2. Step 2: Convert to fraction form
    19,646.78/27,116.07 = 12,572.96/x
  3. Step 3: Cross multiply
    19,646.78x = 27,116.07 × 12,572.96
  4. Step 4: Simplify right side
    19,646.78x = 340,929,263.47
  5. Step 5: Solve for x
    x = 340,929,263.47/19,646.78
  6. Step 6: Final answer
    x = 17,352.93

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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.