Home / 13,209.06-18,240.84-8,501.52

Finding the Fourth Proportional to 13,209.06, 18,240.84 and 8,501.52

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Solution

The fourth proportional to 13,209.06, 18,240.84 and 8,501.52 is: 11,740.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.06 : 18,240.84 = 8,501.52 : x
  2. Step 2: Convert to fraction form
    13,209.06/18,240.84 = 8,501.52/x
  3. Step 3: Cross multiply
    13,209.06x = 18,240.84 × 8,501.52
  4. Step 4: Simplify right side
    13,209.06x = 155,074,866.08
  5. Step 5: Solve for x
    x = 155,074,866.08/13,209.06
  6. Step 6: Final answer
    x = 11,740.04

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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.