Home / 14,045.34-19,391.68-8,742.30

Finding the Fourth Proportional to 14,045.34, 19,391.68 and 8,742.30

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Solution

The fourth proportional to 14,045.34, 19,391.68 and 8,742.30 is: 12,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.34 : 19,391.68 = 8,742.30 : x
  2. Step 2: Convert to fraction form
    14,045.34/19,391.68 = 8,742.30/x
  3. Step 3: Cross multiply
    14,045.34x = 19,391.68 × 8,742.30
  4. Step 4: Simplify right side
    14,045.34x = 169,527,884.06
  5. Step 5: Solve for x
    x = 169,527,884.06/14,045.34
  6. Step 6: Final answer
    x = 12,070.04

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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.