Home / 13,586.27-18,742.10-9,056.75

Finding the Fourth Proportional to 13,586.27, 18,742.10 and 9,056.75

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Solution

The fourth proportional to 13,586.27, 18,742.10 and 9,056.75 is: 12,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.27 : 18,742.10 = 9,056.75 : x
  2. Step 2: Convert to fraction form
    13,586.27/18,742.10 = 9,056.75/x
  3. Step 3: Cross multiply
    13,586.27x = 18,742.10 × 9,056.75
  4. Step 4: Simplify right side
    13,586.27x = 169,742,583.67
  5. Step 5: Solve for x
    x = 169,742,583.67/13,586.27
  6. Step 6: Final answer
    x = 12,493.68

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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.