Home / 9,521.67-14,279.16-2,856.18

Finding the Fourth Proportional to 9,521.67, 14,279.16 and 2,856.18

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Solution

The fourth proportional to 9,521.67, 14,279.16 and 2,856.18 is: 4,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.67 : 14,279.16 = 2,856.18 : x
  2. Step 2: Convert to fraction form
    9,521.67/14,279.16 = 2,856.18/x
  3. Step 3: Cross multiply
    9,521.67x = 14,279.16 × 2,856.18
  4. Step 4: Simplify right side
    9,521.67x = 40,783,851.21
  5. Step 5: Solve for x
    x = 40,783,851.21/9,521.67
  6. Step 6: Final answer
    x = 4,283.27

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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.