Home / 10,447.22-14,417.12-5,731.40

Finding the Fourth Proportional to 10,447.22, 14,417.12 and 5,731.40

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Solution

The fourth proportional to 10,447.22, 14,417.12 and 5,731.40 is: 7,909.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.22 : 14,417.12 = 5,731.40 : x
  2. Step 2: Convert to fraction form
    10,447.22/14,417.12 = 5,731.40/x
  3. Step 3: Cross multiply
    10,447.22x = 14,417.12 × 5,731.40
  4. Step 4: Simplify right side
    10,447.22x = 82,630,331.94
  5. Step 5: Solve for x
    x = 82,630,331.94/10,447.22
  6. Step 6: Final answer
    x = 7,909.31

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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.