Home / 10,200.08-14,095.44-8,687.40

Finding the Fourth Proportional to 10,200.08, 14,095.44 and 8,687.40

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Solution

The fourth proportional to 10,200.08, 14,095.44 and 8,687.40 is: 12,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.08 : 14,095.44 = 8,687.40 : x
  2. Step 2: Convert to fraction form
    10,200.08/14,095.44 = 8,687.40/x
  3. Step 3: Cross multiply
    10,200.08x = 14,095.44 × 8,687.40
  4. Step 4: Simplify right side
    10,200.08x = 122,452,725.46
  5. Step 5: Solve for x
    x = 122,452,725.46/10,200.08
  6. Step 6: Final answer
    x = 12,005.08

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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.