Home / 14,145.72-19,507.68-10,782.60

Finding the Fourth Proportional to 14,145.72, 19,507.68 and 10,782.60

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Solution

The fourth proportional to 14,145.72, 19,507.68 and 10,782.60 is: 14,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.72 : 19,507.68 = 10,782.60 : x
  2. Step 2: Convert to fraction form
    14,145.72/19,507.68 = 10,782.60/x
  3. Step 3: Cross multiply
    14,145.72x = 19,507.68 × 10,782.60
  4. Step 4: Simplify right side
    14,145.72x = 210,343,510.37
  5. Step 5: Solve for x
    x = 210,343,510.37/14,145.72
  6. Step 6: Final answer
    x = 14,869.76

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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.