Home / 9,929.10-13,708.58-6,156.27

Finding the Fourth Proportional to 9,929.10, 13,708.58 and 6,156.27

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Solution

The fourth proportional to 9,929.10, 13,708.58 and 6,156.27 is: 8,499.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.10 : 13,708.58 = 6,156.27 : x
  2. Step 2: Convert to fraction form
    9,929.10/13,708.58 = 6,156.27/x
  3. Step 3: Cross multiply
    9,929.10x = 13,708.58 × 6,156.27
  4. Step 4: Simplify right side
    9,929.10x = 84,393,689.02
  5. Step 5: Solve for x
    x = 84,393,689.02/9,929.10
  6. Step 6: Final answer
    x = 8,499.63

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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.