Home / 11,059.04-15,240.48-7,909.76

Finding the Fourth Proportional to 11,059.04, 15,240.48 and 7,909.76

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Solution

The fourth proportional to 11,059.04, 15,240.48 and 7,909.76 is: 10,900.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.04 : 15,240.48 = 7,909.76 : x
  2. Step 2: Convert to fraction form
    11,059.04/15,240.48 = 7,909.76/x
  3. Step 3: Cross multiply
    11,059.04x = 15,240.48 × 7,909.76
  4. Step 4: Simplify right side
    11,059.04x = 120,548,539.08
  5. Step 5: Solve for x
    x = 120,548,539.08/11,059.04
  6. Step 6: Final answer
    x = 10,900.45

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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.