Home / 10,257.08-14,154.60-5,780.84

Finding the Fourth Proportional to 10,257.08, 14,154.60 and 5,780.84

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Solution

The fourth proportional to 10,257.08, 14,154.60 and 5,780.84 is: 7,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.08 : 14,154.60 = 5,780.84 : x
  2. Step 2: Convert to fraction form
    10,257.08/14,154.60 = 5,780.84/x
  3. Step 3: Cross multiply
    10,257.08x = 14,154.60 × 5,780.84
  4. Step 4: Simplify right side
    10,257.08x = 81,825,477.86
  5. Step 5: Solve for x
    x = 81,825,477.86/10,257.08
  6. Step 6: Final answer
    x = 7,977.46

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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.