Home / 10,151.30-14,019.78-6,972.96

Finding the Fourth Proportional to 10,151.30, 14,019.78 and 6,972.96

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Solution

The fourth proportional to 10,151.30, 14,019.78 and 6,972.96 is: 9,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.30 : 14,019.78 = 6,972.96 : x
  2. Step 2: Convert to fraction form
    10,151.30/14,019.78 = 6,972.96/x
  3. Step 3: Cross multiply
    10,151.30x = 14,019.78 × 6,972.96
  4. Step 4: Simplify right side
    10,151.30x = 97,759,365.15
  5. Step 5: Solve for x
    x = 97,759,365.15/10,151.30
  6. Step 6: Final answer
    x = 9,630.24

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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.