Home / 10,158.93-14,020.65-5,682.87

Finding the Fourth Proportional to 10,158.93, 14,020.65 and 5,682.87

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Solution

The fourth proportional to 10,158.93, 14,020.65 and 5,682.87 is: 7,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.93 : 14,020.65 = 5,682.87 : x
  2. Step 2: Convert to fraction form
    10,158.93/14,020.65 = 5,682.87/x
  3. Step 3: Cross multiply
    10,158.93x = 14,020.65 × 5,682.87
  4. Step 4: Simplify right side
    10,158.93x = 79,677,531.27
  5. Step 5: Solve for x
    x = 79,677,531.27/10,158.93
  6. Step 6: Final answer
    x = 7,843.10

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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.