Home / 15,019.76-22,528.20-4,628.72

Finding the Fourth Proportional to 15,019.76, 22,528.20 and 4,628.72

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Solution

The fourth proportional to 15,019.76, 22,528.20 and 4,628.72 is: 6,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,019.76 : 22,528.20 = 4,628.72 : x
  2. Step 2: Convert to fraction form
    15,019.76/22,528.20 = 4,628.72/x
  3. Step 3: Cross multiply
    15,019.76x = 22,528.20 × 4,628.72
  4. Step 4: Simplify right side
    15,019.76x = 104,276,729.90
  5. Step 5: Solve for x
    x = 104,276,729.90/15,019.76
  6. Step 6: Final answer
    x = 6,942.64

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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.