Home / 20,182.32-30,263.76-7,528.14

Finding the Fourth Proportional to 20,182.32, 30,263.76 and 7,528.14

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Solution

The fourth proportional to 20,182.32, 30,263.76 and 7,528.14 is: 11,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.32 : 30,263.76 = 7,528.14 : x
  2. Step 2: Convert to fraction form
    20,182.32/30,263.76 = 7,528.14/x
  3. Step 3: Cross multiply
    20,182.32x = 30,263.76 × 7,528.14
  4. Step 4: Simplify right side
    20,182.32x = 227,829,822.21
  5. Step 5: Solve for x
    x = 227,829,822.21/20,182.32
  6. Step 6: Final answer
    x = 11,288.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.