Home / 9,569.88-13,206.44-5,378.16

Finding the Fourth Proportional to 9,569.88, 13,206.44 and 5,378.16

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Solution

The fourth proportional to 9,569.88, 13,206.44 and 5,378.16 is: 7,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,569.88 : 13,206.44 = 5,378.16 : x
  2. Step 2: Convert to fraction form
    9,569.88/13,206.44 = 5,378.16/x
  3. Step 3: Cross multiply
    9,569.88x = 13,206.44 × 5,378.16
  4. Step 4: Simplify right side
    9,569.88x = 71,026,347.35
  5. Step 5: Solve for x
    x = 71,026,347.35/9,569.88
  6. Step 6: Final answer
    x = 7,421.86

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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.