Home / 10,358.40-14,296.86-6,821.94

Finding the Fourth Proportional to 10,358.40, 14,296.86 and 6,821.94

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Solution

The fourth proportional to 10,358.40, 14,296.86 and 6,821.94 is: 9,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.40 : 14,296.86 = 6,821.94 : x
  2. Step 2: Convert to fraction form
    10,358.40/14,296.86 = 6,821.94/x
  3. Step 3: Cross multiply
    10,358.40x = 14,296.86 × 6,821.94
  4. Step 4: Simplify right side
    10,358.40x = 97,532,321.11
  5. Step 5: Solve for x
    x = 97,532,321.11/10,358.40
  6. Step 6: Final answer
    x = 9,415.77

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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.