Home / 11,216.88-15,477.24-7,030.80

Finding the Fourth Proportional to 11,216.88, 15,477.24 and 7,030.80

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Solution

The fourth proportional to 11,216.88, 15,477.24 and 7,030.80 is: 9,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216.88 : 15,477.24 = 7,030.80 : x
  2. Step 2: Convert to fraction form
    11,216.88/15,477.24 = 7,030.80/x
  3. Step 3: Cross multiply
    11,216.88x = 15,477.24 × 7,030.80
  4. Step 4: Simplify right side
    11,216.88x = 108,817,378.99
  5. Step 5: Solve for x
    x = 108,817,378.99/11,216.88
  6. Step 6: Final answer
    x = 9,701.22

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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.