Home / 10,068.56-13,904.04-6,489.80

Finding the Fourth Proportional to 10,068.56, 13,904.04 and 6,489.80

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Solution

The fourth proportional to 10,068.56, 13,904.04 and 6,489.80 is: 8,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.56 : 13,904.04 = 6,489.80 : x
  2. Step 2: Convert to fraction form
    10,068.56/13,904.04 = 6,489.80/x
  3. Step 3: Cross multiply
    10,068.56x = 13,904.04 × 6,489.80
  4. Step 4: Simplify right side
    10,068.56x = 90,234,438.79
  5. Step 5: Solve for x
    x = 90,234,438.79/10,068.56
  6. Step 6: Final answer
    x = 8,962.00

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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.