Home / 11,156.04-15,395.76-6,120.47

Finding the Fourth Proportional to 11,156.04, 15,395.76 and 6,120.47

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Solution

The fourth proportional to 11,156.04, 15,395.76 and 6,120.47 is: 8,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.04 : 15,395.76 = 6,120.47 : x
  2. Step 2: Convert to fraction form
    11,156.04/15,395.76 = 6,120.47/x
  3. Step 3: Cross multiply
    11,156.04x = 15,395.76 × 6,120.47
  4. Step 4: Simplify right side
    11,156.04x = 94,229,210.23
  5. Step 5: Solve for x
    x = 94,229,210.23/11,156.04
  6. Step 6: Final answer
    x = 8,446.47

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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.