Home / 17,977.76-26,970.40-6,130.56

Finding the Fourth Proportional to 17,977.76, 26,970.40 and 6,130.56

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Solution

The fourth proportional to 17,977.76, 26,970.40 and 6,130.56 is: 9,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.76 : 26,970.40 = 6,130.56 : x
  2. Step 2: Convert to fraction form
    17,977.76/26,970.40 = 6,130.56/x
  3. Step 3: Cross multiply
    17,977.76x = 26,970.40 × 6,130.56
  4. Step 4: Simplify right side
    17,977.76x = 165,343,655.42
  5. Step 5: Solve for x
    x = 165,343,655.42/17,977.76
  6. Step 6: Final answer
    x = 9,197.12

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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.