Home / 18,277.24-27,420.64-6,430.53

Finding the Fourth Proportional to 18,277.24, 27,420.64 and 6,430.53

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Solution

The fourth proportional to 18,277.24, 27,420.64 and 6,430.53 is: 9,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.24 : 27,420.64 = 6,430.53 : x
  2. Step 2: Convert to fraction form
    18,277.24/27,420.64 = 6,430.53/x
  3. Step 3: Cross multiply
    18,277.24x = 27,420.64 × 6,430.53
  4. Step 4: Simplify right side
    18,277.24x = 176,329,232.06
  5. Step 5: Solve for x
    x = 176,329,232.06/18,277.24
  6. Step 6: Final answer
    x = 9,647.48

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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.