Home / 15,181.14-20,953.73-10,343.87

Finding the Fourth Proportional to 15,181.14, 20,953.73 and 10,343.87

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Solution

The fourth proportional to 15,181.14, 20,953.73 and 10,343.87 is: 14,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.14 : 20,953.73 = 10,343.87 : x
  2. Step 2: Convert to fraction form
    15,181.14/20,953.73 = 10,343.87/x
  3. Step 3: Cross multiply
    15,181.14x = 20,953.73 × 10,343.87
  4. Step 4: Simplify right side
    15,181.14x = 216,742,659.14
  5. Step 5: Solve for x
    x = 216,742,659.14/15,181.14
  6. Step 6: Final answer
    x = 14,277.10

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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.