Home / 19,407.34-26,781.90-10,910.88

Finding the Fourth Proportional to 19,407.34, 26,781.90 and 10,910.88

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Solution

The fourth proportional to 19,407.34, 26,781.90 and 10,910.88 is: 15,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.34 : 26,781.90 = 10,910.88 : x
  2. Step 2: Convert to fraction form
    19,407.34/26,781.90 = 10,910.88/x
  3. Step 3: Cross multiply
    19,407.34x = 26,781.90 × 10,910.88
  4. Step 4: Simplify right side
    19,407.34x = 292,214,097.07
  5. Step 5: Solve for x
    x = 292,214,097.07/19,407.34
  6. Step 6: Final answer
    x = 15,056.89

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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.