Home / 10,429.04-14,394.60-6,447.75

Finding the Fourth Proportional to 10,429.04, 14,394.60 and 6,447.75

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Solution

The fourth proportional to 10,429.04, 14,394.60 and 6,447.75 is: 8,899.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.04 : 14,394.60 = 6,447.75 : x
  2. Step 2: Convert to fraction form
    10,429.04/14,394.60 = 6,447.75/x
  3. Step 3: Cross multiply
    10,429.04x = 14,394.60 × 6,447.75
  4. Step 4: Simplify right side
    10,429.04x = 92,812,782.15
  5. Step 5: Solve for x
    x = 92,812,782.15/10,429.04
  6. Step 6: Final answer
    x = 8,899.46

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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.