Home / 11,203.03-15,460.58-6,423.71

Finding the Fourth Proportional to 11,203.03, 15,460.58 and 6,423.71

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Solution

The fourth proportional to 11,203.03, 15,460.58 and 6,423.71 is: 8,864.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.03 : 15,460.58 = 6,423.71 : x
  2. Step 2: Convert to fraction form
    11,203.03/15,460.58 = 6,423.71/x
  3. Step 3: Cross multiply
    11,203.03x = 15,460.58 × 6,423.71
  4. Step 4: Simplify right side
    11,203.03x = 99,314,250.23
  5. Step 5: Solve for x
    x = 99,314,250.23/11,203.03
  6. Step 6: Final answer
    x = 8,864.95

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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.