Home / 13,405.07-20,107.61-9,184.16

Finding the Fourth Proportional to 13,405.07, 20,107.61 and 9,184.16

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Solution

The fourth proportional to 13,405.07, 20,107.61 and 9,184.16 is: 13,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405.07 : 20,107.61 = 9,184.16 : x
  2. Step 2: Convert to fraction form
    13,405.07/20,107.61 = 9,184.16/x
  3. Step 3: Cross multiply
    13,405.07x = 20,107.61 × 9,184.16
  4. Step 4: Simplify right side
    13,405.07x = 184,671,507.46
  5. Step 5: Solve for x
    x = 184,671,507.46/13,405.07
  6. Step 6: Final answer
    x = 13,776.24

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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.