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Finding the Fourth Proportional to 10,600.04, 15,870.78 and 7,995.08

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Solution

The fourth proportional to 10,600.04, 15,870.78 and 7,995.08 is: 11,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.04 : 15,870.78 = 7,995.08 : x
  2. Step 2: Convert to fraction form
    10,600.04/15,870.78 = 7,995.08/x
  3. Step 3: Cross multiply
    10,600.04x = 15,870.78 × 7,995.08
  4. Step 4: Simplify right side
    10,600.04x = 126,888,155.76
  5. Step 5: Solve for x
    x = 126,888,155.76/10,600.04
  6. Step 6: Final answer
    x = 11,970.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.