Home / 16,749.78-25,127.40-5,657.13

Finding the Fourth Proportional to 16,749.78, 25,127.40 and 5,657.13

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Solution

The fourth proportional to 16,749.78, 25,127.40 and 5,657.13 is: 8,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.78 : 25,127.40 = 5,657.13 : x
  2. Step 2: Convert to fraction form
    16,749.78/25,127.40 = 5,657.13/x
  3. Step 3: Cross multiply
    16,749.78x = 25,127.40 × 5,657.13
  4. Step 4: Simplify right side
    16,749.78x = 142,148,968.36
  5. Step 5: Solve for x
    x = 142,148,968.36/16,749.78
  6. Step 6: Final answer
    x = 8,486.62

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1.5x scale

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.