Home / 10,358.12-14,289.65-6,999.71

Finding the Fourth Proportional to 10,358.12, 14,289.65 and 6,999.71

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Solution

The fourth proportional to 10,358.12, 14,289.65 and 6,999.71 is: 9,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.12 : 14,289.65 = 6,999.71 : x
  2. Step 2: Convert to fraction form
    10,358.12/14,289.65 = 6,999.71/x
  3. Step 3: Cross multiply
    10,358.12x = 14,289.65 × 6,999.71
  4. Step 4: Simplify right side
    10,358.12x = 100,023,299.55
  5. Step 5: Solve for x
    x = 100,023,299.55/10,358.12
  6. Step 6: Final answer
    x = 9,656.52

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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.