Home / 10,207.35-14,087.18-5,730.84

Finding the Fourth Proportional to 10,207.35, 14,087.18 and 5,730.84

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Solution

The fourth proportional to 10,207.35, 14,087.18 and 5,730.84 is: 7,909.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.35 : 14,087.18 = 5,730.84 : x
  2. Step 2: Convert to fraction form
    10,207.35/14,087.18 = 5,730.84/x
  3. Step 3: Cross multiply
    10,207.35x = 14,087.18 × 5,730.84
  4. Step 4: Simplify right side
    10,207.35x = 80,731,374.63
  5. Step 5: Solve for x
    x = 80,731,374.63/10,207.35
  6. Step 6: Final answer
    x = 7,909.14

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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.