Home / 14,278.23-19,701.61-8,969.27

Finding the Fourth Proportional to 14,278.23, 19,701.61 and 8,969.27

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Solution

The fourth proportional to 14,278.23, 19,701.61 and 8,969.27 is: 12,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,278.23 : 19,701.61 = 8,969.27 : x
  2. Step 2: Convert to fraction form
    14,278.23/19,701.61 = 8,969.27/x
  3. Step 3: Cross multiply
    14,278.23x = 19,701.61 × 8,969.27
  4. Step 4: Simplify right side
    14,278.23x = 176,708,938.59
  5. Step 5: Solve for x
    x = 176,708,938.59/14,278.23
  6. Step 6: Final answer
    x = 12,376.11

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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.