Home / 9,583.89-13,230.95-6,721.40

Finding the Fourth Proportional to 9,583.89, 13,230.95 and 6,721.40

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Solution

The fourth proportional to 9,583.89, 13,230.95 and 6,721.40 is: 9,279.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583.89 : 13,230.95 = 6,721.40 : x
  2. Step 2: Convert to fraction form
    9,583.89/13,230.95 = 6,721.40/x
  3. Step 3: Cross multiply
    9,583.89x = 13,230.95 × 6,721.40
  4. Step 4: Simplify right side
    9,583.89x = 88,930,605.24
  5. Step 5: Solve for x
    x = 88,930,605.24/9,583.89
  6. Step 6: Final answer
    x = 9,279.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.