Home / 13,445.37-20,154.89-7,525.15

Finding the Fourth Proportional to 13,445.37, 20,154.89 and 7,525.15

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Solution

The fourth proportional to 13,445.37, 20,154.89 and 7,525.15 is: 11,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.37 : 20,154.89 = 7,525.15 : x
  2. Step 2: Convert to fraction form
    13,445.37/20,154.89 = 7,525.15/x
  3. Step 3: Cross multiply
    13,445.37x = 20,154.89 × 7,525.15
  4. Step 4: Simplify right side
    13,445.37x = 151,668,538.91
  5. Step 5: Solve for x
    x = 151,668,538.91/13,445.37
  6. Step 6: Final answer
    x = 11,280.35

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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.