Home / 10,455.09-14,423.18-6,676.34

Finding the Fourth Proportional to 10,455.09, 14,423.18 and 6,676.34

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Solution

The fourth proportional to 10,455.09, 14,423.18 and 6,676.34 is: 9,210.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.09 : 14,423.18 = 6,676.34 : x
  2. Step 2: Convert to fraction form
    10,455.09/14,423.18 = 6,676.34/x
  3. Step 3: Cross multiply
    10,455.09x = 14,423.18 × 6,676.34
  4. Step 4: Simplify right side
    10,455.09x = 96,293,948.06
  5. Step 5: Solve for x
    x = 96,293,948.06/10,455.09
  6. Step 6: Final answer
    x = 9,210.25

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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.