Home / 11,237.60-15,506.78-6,521.42

Finding the Fourth Proportional to 11,237.60, 15,506.78 and 6,521.42

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Solution

The fourth proportional to 11,237.60, 15,506.78 and 6,521.42 is: 8,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.60 : 15,506.78 = 6,521.42 : x
  2. Step 2: Convert to fraction form
    11,237.60/15,506.78 = 6,521.42/x
  3. Step 3: Cross multiply
    11,237.60x = 15,506.78 × 6,521.42
  4. Step 4: Simplify right side
    11,237.60x = 101,126,225.23
  5. Step 5: Solve for x
    x = 101,126,225.23/11,237.60
  6. Step 6: Final answer
    x = 8,998.92

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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.