Home / 20,366.04-30,509.55-15,019.50

Finding the Fourth Proportional to 20,366.04, 30,509.55 and 15,019.50

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Solution

The fourth proportional to 20,366.04, 30,509.55 and 15,019.50 is: 22,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.04 : 30,509.55 = 15,019.50 : x
  2. Step 2: Convert to fraction form
    20,366.04/30,509.55 = 15,019.50/x
  3. Step 3: Cross multiply
    20,366.04x = 30,509.55 × 15,019.50
  4. Step 4: Simplify right side
    20,366.04x = 458,238,186.23
  5. Step 5: Solve for x
    x = 458,238,186.23/20,366.04
  6. Step 6: Final answer
    x = 22,500.11

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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.