Home / 11,862.50-16,370.35-6,557.40

Finding the Fourth Proportional to 11,862.50, 16,370.35 and 6,557.40

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Solution

The fourth proportional to 11,862.50, 16,370.35 and 6,557.40 is: 9,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.50 : 16,370.35 = 6,557.40 : x
  2. Step 2: Convert to fraction form
    11,862.50/16,370.35 = 6,557.40/x
  3. Step 3: Cross multiply
    11,862.50x = 16,370.35 × 6,557.40
  4. Step 4: Simplify right side
    11,862.50x = 107,346,941.23
  5. Step 5: Solve for x
    x = 107,346,941.23/11,862.50
  6. Step 6: Final answer
    x = 9,049.27

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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.