Home / 19,715.89-27,207.75-10,763.32

Finding the Fourth Proportional to 19,715.89, 27,207.75 and 10,763.32

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Solution

The fourth proportional to 19,715.89, 27,207.75 and 10,763.32 is: 14,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,715.89 : 27,207.75 = 10,763.32 : x
  2. Step 2: Convert to fraction form
    19,715.89/27,207.75 = 10,763.32/x
  3. Step 3: Cross multiply
    19,715.89x = 27,207.75 × 10,763.32
  4. Step 4: Simplify right side
    19,715.89x = 292,845,719.73
  5. Step 5: Solve for x
    x = 292,845,719.73/19,715.89
  6. Step 6: Final answer
    x = 14,853.28

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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.