Home / 9,860.32-13,601.90-6,669.40

Finding the Fourth Proportional to 9,860.32, 13,601.90 and 6,669.40

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Solution

The fourth proportional to 9,860.32, 13,601.90 and 6,669.40 is: 9,200.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.32 : 13,601.90 = 6,669.40 : x
  2. Step 2: Convert to fraction form
    9,860.32/13,601.90 = 6,669.40/x
  3. Step 3: Cross multiply
    9,860.32x = 13,601.90 × 6,669.40
  4. Step 4: Simplify right side
    9,860.32x = 90,716,511.86
  5. Step 5: Solve for x
    x = 90,716,511.86/9,860.32
  6. Step 6: Final answer
    x = 9,200.16

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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.