Home / 19,126.08-28,689.06-5,978.46

Finding the Fourth Proportional to 19,126.08, 28,689.06 and 5,978.46

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Solution

The fourth proportional to 19,126.08, 28,689.06 and 5,978.46 is: 8,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.08 : 28,689.06 = 5,978.46 : x
  2. Step 2: Convert to fraction form
    19,126.08/28,689.06 = 5,978.46/x
  3. Step 3: Cross multiply
    19,126.08x = 28,689.06 × 5,978.46
  4. Step 4: Simplify right side
    19,126.08x = 171,516,397.65
  5. Step 5: Solve for x
    x = 171,516,397.65/19,126.08
  6. Step 6: Final answer
    x = 8,967.67

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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.