Home / 11,916.52-16,445.10-6,539.20

Finding the Fourth Proportional to 11,916.52, 16,445.10 and 6,539.20

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Solution

The fourth proportional to 11,916.52, 16,445.10 and 6,539.20 is: 9,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.52 : 16,445.10 = 6,539.20 : x
  2. Step 2: Convert to fraction form
    11,916.52/16,445.10 = 6,539.20/x
  3. Step 3: Cross multiply
    11,916.52x = 16,445.10 × 6,539.20
  4. Step 4: Simplify right side
    11,916.52x = 107,537,797.92
  5. Step 5: Solve for x
    x = 107,537,797.92/11,916.52
  6. Step 6: Final answer
    x = 9,024.26

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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.