Home / 14,215.77-21,298.08-8,369.19

Finding the Fourth Proportional to 14,215.77, 21,298.08 and 8,369.19

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Solution

The fourth proportional to 14,215.77, 21,298.08 and 8,369.19 is: 12,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.77 : 21,298.08 = 8,369.19 : x
  2. Step 2: Convert to fraction form
    14,215.77/21,298.08 = 8,369.19/x
  3. Step 3: Cross multiply
    14,215.77x = 21,298.08 × 8,369.19
  4. Step 4: Simplify right side
    14,215.77x = 178,247,678.16
  5. Step 5: Solve for x
    x = 178,247,678.16/14,215.77
  6. Step 6: Final answer
    x = 12,538.73

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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.