Home / 14,145.03-19,510.47-8,475.84

Finding the Fourth Proportional to 14,145.03, 19,510.47 and 8,475.84

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Solution

The fourth proportional to 14,145.03, 19,510.47 and 8,475.84 is: 11,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.03 : 19,510.47 = 8,475.84 : x
  2. Step 2: Convert to fraction form
    14,145.03/19,510.47 = 8,475.84/x
  3. Step 3: Cross multiply
    14,145.03x = 19,510.47 × 8,475.84
  4. Step 4: Simplify right side
    14,145.03x = 165,367,622.04
  5. Step 5: Solve for x
    x = 165,367,622.04/14,145.03
  6. Step 6: Final answer
    x = 11,690.86

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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.