Home / 23,008.79-34,508.05-8,969.20

Finding the Fourth Proportional to 23,008.79, 34,508.05 and 8,969.20

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Solution

The fourth proportional to 23,008.79, 34,508.05 and 8,969.20 is: 13,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.79 : 34,508.05 = 8,969.20 : x
  2. Step 2: Convert to fraction form
    23,008.79/34,508.05 = 8,969.20/x
  3. Step 3: Cross multiply
    23,008.79x = 34,508.05 × 8,969.20
  4. Step 4: Simplify right side
    23,008.79x = 309,509,602.06
  5. Step 5: Solve for x
    x = 309,509,602.06/23,008.79
  6. Step 6: Final answer
    x = 13,451.80

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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.