Home / 11,913.01-16,437.27-7,197.19

Finding the Fourth Proportional to 11,913.01, 16,437.27 and 7,197.19

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Solution

The fourth proportional to 11,913.01, 16,437.27 and 7,197.19 is: 9,930.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.01 : 16,437.27 = 7,197.19 : x
  2. Step 2: Convert to fraction form
    11,913.01/16,437.27 = 7,197.19/x
  3. Step 3: Cross multiply
    11,913.01x = 16,437.27 × 7,197.19
  4. Step 4: Simplify right side
    11,913.01x = 118,302,155.27
  5. Step 5: Solve for x
    x = 118,302,155.27/11,913.01
  6. Step 6: Final answer
    x = 9,930.50

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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.