Home / 17,779.19-26,678.10-11,537.74

Finding the Fourth Proportional to 17,779.19, 26,678.10 and 11,537.74

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Solution

The fourth proportional to 17,779.19, 26,678.10 and 11,537.74 is: 17,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,779.19 : 26,678.10 = 11,537.74 : x
  2. Step 2: Convert to fraction form
    17,779.19/26,678.10 = 11,537.74/x
  3. Step 3: Cross multiply
    17,779.19x = 26,678.10 × 11,537.74
  4. Step 4: Simplify right side
    17,779.19x = 307,804,848.10
  5. Step 5: Solve for x
    x = 307,804,848.10/17,779.19
  6. Step 6: Final answer
    x = 17,312.65

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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.