Home / 14,929.30-20,602.11-8,557.03

Finding the Fourth Proportional to 14,929.30, 20,602.11 and 8,557.03

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Solution

The fourth proportional to 14,929.30, 20,602.11 and 8,557.03 is: 11,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.30 : 20,602.11 = 8,557.03 : x
  2. Step 2: Convert to fraction form
    14,929.30/20,602.11 = 8,557.03/x
  3. Step 3: Cross multiply
    14,929.30x = 20,602.11 × 8,557.03
  4. Step 4: Simplify right side
    14,929.30x = 176,292,873.33
  5. Step 5: Solve for x
    x = 176,292,873.33/14,929.30
  6. Step 6: Final answer
    x = 11,808.52

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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.