Home / 11,130.26-15,359.76-6,938.50

Finding the Fourth Proportional to 11,130.26, 15,359.76 and 6,938.50

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Solution

The fourth proportional to 11,130.26, 15,359.76 and 6,938.50 is: 9,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.26 : 15,359.76 = 6,938.50 : x
  2. Step 2: Convert to fraction form
    11,130.26/15,359.76 = 6,938.50/x
  3. Step 3: Cross multiply
    11,130.26x = 15,359.76 × 6,938.50
  4. Step 4: Simplify right side
    11,130.26x = 106,573,694.76
  5. Step 5: Solve for x
    x = 106,573,694.76/11,130.26
  6. Step 6: Final answer
    x = 9,575.13

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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.