Home / 14,980.79-20,673.56-8,266.42

Finding the Fourth Proportional to 14,980.79, 20,673.56 and 8,266.42

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Solution

The fourth proportional to 14,980.79, 20,673.56 and 8,266.42 is: 11,407.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.79 : 20,673.56 = 8,266.42 : x
  2. Step 2: Convert to fraction form
    14,980.79/20,673.56 = 8,266.42/x
  3. Step 3: Cross multiply
    14,980.79x = 20,673.56 × 8,266.42
  4. Step 4: Simplify right side
    14,980.79x = 170,896,329.86
  5. Step 5: Solve for x
    x = 170,896,329.86/14,980.79
  6. Step 6: Final answer
    x = 11,407.70

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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.