Home / 9,723.48-13,422.47-6,581.49

Finding the Fourth Proportional to 9,723.48, 13,422.47 and 6,581.49

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Solution

The fourth proportional to 9,723.48, 13,422.47 and 6,581.49 is: 9,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.48 : 13,422.47 = 6,581.49 : x
  2. Step 2: Convert to fraction form
    9,723.48/13,422.47 = 6,581.49/x
  3. Step 3: Cross multiply
    9,723.48x = 13,422.47 × 6,581.49
  4. Step 4: Simplify right side
    9,723.48x = 88,339,819.17
  5. Step 5: Solve for x
    x = 88,339,819.17/9,723.48
  6. Step 6: Final answer
    x = 9,085.21

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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.