Home / 14,985.27-20,680.02-8,271

Finding the Fourth Proportional to 14,985.27, 20,680.02 and 8,271

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Solution

The fourth proportional to 14,985.27, 20,680.02 and 8,271 is: 11,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.27 : 20,680.02 = 8,271 : x
  2. Step 2: Convert to fraction form
    14,985.27/20,680.02 = 8,271/x
  3. Step 3: Cross multiply
    14,985.27x = 20,680.02 × 8,271
  4. Step 4: Simplify right side
    14,985.27x = 171,044,445.42
  5. Step 5: Solve for x
    x = 171,044,445.42/14,985.27
  6. Step 6: Final answer
    x = 11,414.17

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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.