Home / 14,455.60-21,676.56-6,665.20

Finding the Fourth Proportional to 14,455.60, 21,676.56 and 6,665.20

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Solution

The fourth proportional to 14,455.60, 21,676.56 and 6,665.20 is: 9,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.60 : 21,676.56 = 6,665.20 : x
  2. Step 2: Convert to fraction form
    14,455.60/21,676.56 = 6,665.20/x
  3. Step 3: Cross multiply
    14,455.60x = 21,676.56 × 6,665.20
  4. Step 4: Simplify right side
    14,455.60x = 144,478,607.71
  5. Step 5: Solve for x
    x = 144,478,607.71/14,455.60
  6. Step 6: Final answer
    x = 9,994.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.