Home / 11,130.57-15,360.18-6,162.57

Finding the Fourth Proportional to 11,130.57, 15,360.18 and 6,162.57

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Solution

The fourth proportional to 11,130.57, 15,360.18 and 6,162.57 is: 8,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.57 : 15,360.18 = 6,162.57 : x
  2. Step 2: Convert to fraction form
    11,130.57/15,360.18 = 6,162.57/x
  3. Step 3: Cross multiply
    11,130.57x = 15,360.18 × 6,162.57
  4. Step 4: Simplify right side
    11,130.57x = 94,658,184.46
  5. Step 5: Solve for x
    x = 94,658,184.46/11,130.57
  6. Step 6: Final answer
    x = 8,504.34

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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.