Home / 18,319.41-27,459.96-8,465.16

Finding the Fourth Proportional to 18,319.41, 27,459.96 and 8,465.16

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Solution

The fourth proportional to 18,319.41, 27,459.96 and 8,465.16 is: 12,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.41 : 27,459.96 = 8,465.16 : x
  2. Step 2: Convert to fraction form
    18,319.41/27,459.96 = 8,465.16/x
  3. Step 3: Cross multiply
    18,319.41x = 27,459.96 × 8,465.16
  4. Step 4: Simplify right side
    18,319.41x = 232,452,954.99
  5. Step 5: Solve for x
    x = 232,452,954.99/18,319.41
  6. Step 6: Final answer
    x = 12,688.89

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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.