Home / 13,446.60-18,527.58-9,904.20

Finding the Fourth Proportional to 13,446.60, 18,527.58 and 9,904.20

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Solution

The fourth proportional to 13,446.60, 18,527.58 and 9,904.20 is: 13,646.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.60 : 18,527.58 = 9,904.20 : x
  2. Step 2: Convert to fraction form
    13,446.60/18,527.58 = 9,904.20/x
  3. Step 3: Cross multiply
    13,446.60x = 18,527.58 × 9,904.20
  4. Step 4: Simplify right side
    13,446.60x = 183,500,857.84
  5. Step 5: Solve for x
    x = 183,500,857.84/13,446.60
  6. Step 6: Final answer
    x = 13,646.64

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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.