Home / 10,145.52-14,005.88-6,374.16

Finding the Fourth Proportional to 10,145.52, 14,005.88 and 6,374.16

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Solution

The fourth proportional to 10,145.52, 14,005.88 and 6,374.16 is: 8,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145.52 : 14,005.88 = 6,374.16 : x
  2. Step 2: Convert to fraction form
    10,145.52/14,005.88 = 6,374.16/x
  3. Step 3: Cross multiply
    10,145.52x = 14,005.88 × 6,374.16
  4. Step 4: Simplify right side
    10,145.52x = 89,275,720.06
  5. Step 5: Solve for x
    x = 89,275,720.06/10,145.52
  6. Step 6: Final answer
    x = 8,799.52

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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.