Home / 10,430.05-14,392.90-5,713.42

Finding the Fourth Proportional to 10,430.05, 14,392.90 and 5,713.42

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Solution

The fourth proportional to 10,430.05, 14,392.90 and 5,713.42 is: 7,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.05 : 14,392.90 = 5,713.42 : x
  2. Step 2: Convert to fraction form
    10,430.05/14,392.90 = 5,713.42/x
  3. Step 3: Cross multiply
    10,430.05x = 14,392.90 × 5,713.42
  4. Step 4: Simplify right side
    10,430.05x = 82,232,682.72
  5. Step 5: Solve for x
    x = 82,232,682.72/10,430.05
  6. Step 6: Final answer
    x = 7,884.21

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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.