Home / 10,447.42-14,415.66-6,909.34

Finding the Fourth Proportional to 10,447.42, 14,415.66 and 6,909.34

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Solution

The fourth proportional to 10,447.42, 14,415.66 and 6,909.34 is: 9,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.42 : 14,415.66 = 6,909.34 : x
  2. Step 2: Convert to fraction form
    10,447.42/14,415.66 = 6,909.34/x
  3. Step 3: Cross multiply
    10,447.42x = 14,415.66 × 6,909.34
  4. Step 4: Simplify right side
    10,447.42x = 99,602,696.26
  5. Step 5: Solve for x
    x = 99,602,696.26/10,447.42
  6. Step 6: Final answer
    x = 9,533.71

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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.