Home / 11,318.74-16,970.58-5,070.20

Finding the Fourth Proportional to 11,318.74, 16,970.58 and 5,070.20

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Solution

The fourth proportional to 11,318.74, 16,970.58 and 5,070.20 is: 7,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.74 : 16,970.58 = 5,070.20 : x
  2. Step 2: Convert to fraction form
    11,318.74/16,970.58 = 5,070.20/x
  3. Step 3: Cross multiply
    11,318.74x = 16,970.58 × 5,070.20
  4. Step 4: Simplify right side
    11,318.74x = 86,044,149.86
  5. Step 5: Solve for x
    x = 86,044,149.86/11,318.74
  6. Step 6: Final answer
    x = 7,601.92

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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.