Home / 10,157.55-14,017.76-5,682.40

Finding the Fourth Proportional to 10,157.55, 14,017.76 and 5,682.40

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Solution

The fourth proportional to 10,157.55, 14,017.76 and 5,682.40 is: 7,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.55 : 14,017.76 = 5,682.40 : x
  2. Step 2: Convert to fraction form
    10,157.55/14,017.76 = 5,682.40/x
  3. Step 3: Cross multiply
    10,157.55x = 14,017.76 × 5,682.40
  4. Step 4: Simplify right side
    10,157.55x = 79,654,556.13
  5. Step 5: Solve for x
    x = 79,654,556.13/10,157.55
  6. Step 6: Final answer
    x = 7,841.90

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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.