Home / 10,766.60-16,128.30-7,267.40

Finding the Fourth Proportional to 10,766.60, 16,128.30 and 7,267.40

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Solution

The fourth proportional to 10,766.60, 16,128.30 and 7,267.40 is: 10,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.60 : 16,128.30 = 7,267.40 : x
  2. Step 2: Convert to fraction form
    10,766.60/16,128.30 = 7,267.40/x
  3. Step 3: Cross multiply
    10,766.60x = 16,128.30 × 7,267.40
  4. Step 4: Simplify right side
    10,766.60x = 117,210,807.42
  5. Step 5: Solve for x
    x = 117,210,807.42/10,766.60
  6. Step 6: Final answer
    x = 10,886.52

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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.