Home / 17,666.40-26,499.60-4,519.80

Finding the Fourth Proportional to 17,666.40, 26,499.60 and 4,519.80

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Solution

The fourth proportional to 17,666.40, 26,499.60 and 4,519.80 is: 6,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.40 : 26,499.60 = 4,519.80 : x
  2. Step 2: Convert to fraction form
    17,666.40/26,499.60 = 4,519.80/x
  3. Step 3: Cross multiply
    17,666.40x = 26,499.60 × 4,519.80
  4. Step 4: Simplify right side
    17,666.40x = 119,772,892.08
  5. Step 5: Solve for x
    x = 119,772,892.08/17,666.40
  6. Step 6: Final answer
    x = 6,779.70

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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.