Home / 14,421.69-19,903.31-8,755.13

Finding the Fourth Proportional to 14,421.69, 19,903.31 and 8,755.13

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Solution

The fourth proportional to 14,421.69, 19,903.31 and 8,755.13 is: 12,082.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.69 : 19,903.31 = 8,755.13 : x
  2. Step 2: Convert to fraction form
    14,421.69/19,903.31 = 8,755.13/x
  3. Step 3: Cross multiply
    14,421.69x = 19,903.31 × 8,755.13
  4. Step 4: Simplify right side
    14,421.69x = 174,255,923.19
  5. Step 5: Solve for x
    x = 174,255,923.19/14,421.69
  6. Step 6: Final answer
    x = 12,082.91

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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.