Home / 9,521.34-13,139.44-5,329.58

Finding the Fourth Proportional to 9,521.34, 13,139.44 and 5,329.58

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Solution

The fourth proportional to 9,521.34, 13,139.44 and 5,329.58 is: 7,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.34 : 13,139.44 = 5,329.58 : x
  2. Step 2: Convert to fraction form
    9,521.34/13,139.44 = 5,329.58/x
  3. Step 3: Cross multiply
    9,521.34x = 13,139.44 × 5,329.58
  4. Step 4: Simplify right side
    9,521.34x = 70,027,696.64
  5. Step 5: Solve for x
    x = 70,027,696.64/9,521.34
  6. Step 6: Final answer
    x = 7,354.82

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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.