Home / 17,779.58-26,670.75-5,298.65

Finding the Fourth Proportional to 17,779.58, 26,670.75 and 5,298.65

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Solution

The fourth proportional to 17,779.58, 26,670.75 and 5,298.65 is: 7,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.58 : 26,670.75 = 5,298.65 : x
  2. Step 2: Convert to fraction form
    17,779.58/26,670.75 = 5,298.65/x
  3. Step 3: Cross multiply
    17,779.58x = 26,670.75 × 5,298.65
  4. Step 4: Simplify right side
    17,779.58x = 141,318,946.08
  5. Step 5: Solve for x
    x = 141,318,946.08/17,779.58
  6. Step 6: Final answer
    x = 7,948.38

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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.