Home / 11,177.07-15,423.45-6,461.66

Finding the Fourth Proportional to 11,177.07, 15,423.45 and 6,461.66

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Solution

The fourth proportional to 11,177.07, 15,423.45 and 6,461.66 is: 8,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.07 : 15,423.45 = 6,461.66 : x
  2. Step 2: Convert to fraction form
    11,177.07/15,423.45 = 6,461.66/x
  3. Step 3: Cross multiply
    11,177.07x = 15,423.45 × 6,461.66
  4. Step 4: Simplify right side
    11,177.07x = 99,661,012.81
  5. Step 5: Solve for x
    x = 99,661,012.81/11,177.07
  6. Step 6: Final answer
    x = 8,916.56

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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.