Home / 10,567.85-15,854.86-4,723.09

Finding the Fourth Proportional to 10,567.85, 15,854.86 and 4,723.09

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Solution

The fourth proportional to 10,567.85, 15,854.86 and 4,723.09 is: 7,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.85 : 15,854.86 = 4,723.09 : x
  2. Step 2: Convert to fraction form
    10,567.85/15,854.86 = 4,723.09/x
  3. Step 3: Cross multiply
    10,567.85x = 15,854.86 × 4,723.09
  4. Step 4: Simplify right side
    10,567.85x = 74,883,893.19
  5. Step 5: Solve for x
    x = 74,883,893.19/10,567.85
  6. Step 6: Final answer
    x = 7,086.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.