Home / 10,423.27-14,386.34-6,645.56

Finding the Fourth Proportional to 10,423.27, 14,386.34 and 6,645.56

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Solution

The fourth proportional to 10,423.27, 14,386.34 and 6,645.56 is: 9,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.27 : 14,386.34 = 6,645.56 : x
  2. Step 2: Convert to fraction form
    10,423.27/14,386.34 = 6,645.56/x
  3. Step 3: Cross multiply
    10,423.27x = 14,386.34 × 6,645.56
  4. Step 4: Simplify right side
    10,423.27x = 95,605,288.39
  5. Step 5: Solve for x
    x = 95,605,288.39/10,423.27
  6. Step 6: Final answer
    x = 9,172.30

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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.