Home / 18,533.04-25,575.60-10,575.12

Finding the Fourth Proportional to 18,533.04, 25,575.60 and 10,575.12

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Solution

The fourth proportional to 18,533.04, 25,575.60 and 10,575.12 is: 14,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.04 : 25,575.60 = 10,575.12 : x
  2. Step 2: Convert to fraction form
    18,533.04/25,575.60 = 10,575.12/x
  3. Step 3: Cross multiply
    18,533.04x = 25,575.60 × 10,575.12
  4. Step 4: Simplify right side
    18,533.04x = 270,465,039.07
  5. Step 5: Solve for x
    x = 270,465,039.07/18,533.04
  6. Step 6: Final answer
    x = 14,593.67

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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.