Home / 11,057.04-15,237.72-7,907.76

Finding the Fourth Proportional to 11,057.04, 15,237.72 and 7,907.76

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Solution

The fourth proportional to 11,057.04, 15,237.72 and 7,907.76 is: 10,897.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.04 : 15,237.72 = 7,907.76 : x
  2. Step 2: Convert to fraction form
    11,057.04/15,237.72 = 7,907.76/x
  3. Step 3: Cross multiply
    11,057.04x = 15,237.72 × 7,907.76
  4. Step 4: Simplify right side
    11,057.04x = 120,496,232.71
  5. Step 5: Solve for x
    x = 120,496,232.71/11,057.04
  6. Step 6: Final answer
    x = 10,897.69

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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.