Home / 10,908.04-16,365.02-3,117.64

Finding the Fourth Proportional to 10,908.04, 16,365.02 and 3,117.64

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Solution

The fourth proportional to 10,908.04, 16,365.02 and 3,117.64 is: 4,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.04 : 16,365.02 = 3,117.64 : x
  2. Step 2: Convert to fraction form
    10,908.04/16,365.02 = 3,117.64/x
  3. Step 3: Cross multiply
    10,908.04x = 16,365.02 × 3,117.64
  4. Step 4: Simplify right side
    10,908.04x = 51,020,240.95
  5. Step 5: Solve for x
    x = 51,020,240.95/10,908.04
  6. Step 6: Final answer
    x = 4,677.31

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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.