Home / 17,678.34-26,486.28-9,339.93

Finding the Fourth Proportional to 17,678.34, 26,486.28 and 9,339.93

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Solution

The fourth proportional to 17,678.34, 26,486.28 and 9,339.93 is: 13,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.34 : 26,486.28 = 9,339.93 : x
  2. Step 2: Convert to fraction form
    17,678.34/26,486.28 = 9,339.93/x
  3. Step 3: Cross multiply
    17,678.34x = 26,486.28 × 9,339.93
  4. Step 4: Simplify right side
    17,678.34x = 247,380,001.16
  5. Step 5: Solve for x
    x = 247,380,001.16/17,678.34
  6. Step 6: Final answer
    x = 13,993.40

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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.