Home / 13,525.04-20,280.88-7,904.13

Finding the Fourth Proportional to 13,525.04, 20,280.88 and 7,904.13

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Solution

The fourth proportional to 13,525.04, 20,280.88 and 7,904.13 is: 11,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.04 : 20,280.88 = 7,904.13 : x
  2. Step 2: Convert to fraction form
    13,525.04/20,280.88 = 7,904.13/x
  3. Step 3: Cross multiply
    13,525.04x = 20,280.88 × 7,904.13
  4. Step 4: Simplify right side
    13,525.04x = 160,302,759.94
  5. Step 5: Solve for x
    x = 160,302,759.94/13,525.04
  6. Step 6: Final answer
    x = 11,852.29

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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.