Home / 10,291.19-14,201.88-5,575.46

Finding the Fourth Proportional to 10,291.19, 14,201.88 and 5,575.46

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Solution

The fourth proportional to 10,291.19, 14,201.88 and 5,575.46 is: 7,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.19 : 14,201.88 = 5,575.46 : x
  2. Step 2: Convert to fraction form
    10,291.19/14,201.88 = 5,575.46/x
  3. Step 3: Cross multiply
    10,291.19x = 14,201.88 × 5,575.46
  4. Step 4: Simplify right side
    10,291.19x = 79,182,013.86
  5. Step 5: Solve for x
    x = 79,182,013.86/10,291.19
  6. Step 6: Final answer
    x = 7,694.16

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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.