Home / 11,377.40-15,700.65-6,341.81

Finding the Fourth Proportional to 11,377.40, 15,700.65 and 6,341.81

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Solution

The fourth proportional to 11,377.40, 15,700.65 and 6,341.81 is: 8,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.40 : 15,700.65 = 6,341.81 : x
  2. Step 2: Convert to fraction form
    11,377.40/15,700.65 = 6,341.81/x
  3. Step 3: Cross multiply
    11,377.40x = 15,700.65 × 6,341.81
  4. Step 4: Simplify right side
    11,377.40x = 99,570,539.18
  5. Step 5: Solve for x
    x = 99,570,539.18/11,377.40
  6. Step 6: Final answer
    x = 8,751.61

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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.