Home / 10,207.95-14,086.92-5,731.77

Finding the Fourth Proportional to 10,207.95, 14,086.92 and 5,731.77

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Solution

The fourth proportional to 10,207.95, 14,086.92 and 5,731.77 is: 7,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.95 : 14,086.92 = 5,731.77 : x
  2. Step 2: Convert to fraction form
    10,207.95/14,086.92 = 5,731.77/x
  3. Step 3: Cross multiply
    10,207.95x = 14,086.92 × 5,731.77
  4. Step 4: Simplify right side
    10,207.95x = 80,742,985.45
  5. Step 5: Solve for x
    x = 80,742,985.45/10,207.95
  6. Step 6: Final answer
    x = 7,909.81

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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.