Home / 15,146.76-20,908.98-10,181.64

Finding the Fourth Proportional to 15,146.76, 20,908.98 and 10,181.64

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Solution

The fourth proportional to 15,146.76, 20,908.98 and 10,181.64 is: 14,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.76 : 20,908.98 = 10,181.64 : x
  2. Step 2: Convert to fraction form
    15,146.76/20,908.98 = 10,181.64/x
  3. Step 3: Cross multiply
    15,146.76x = 20,908.98 × 10,181.64
  4. Step 4: Simplify right side
    15,146.76x = 212,887,707.13
  5. Step 5: Solve for x
    x = 212,887,707.13/15,146.76
  6. Step 6: Final answer
    x = 14,055.00

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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.