Home / 9,354.24-14,031.36-2,780.48

Finding the Fourth Proportional to 9,354.24, 14,031.36 and 2,780.48

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Solution

The fourth proportional to 9,354.24, 14,031.36 and 2,780.48 is: 4,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.24 : 14,031.36 = 2,780.48 : x
  2. Step 2: Convert to fraction form
    9,354.24/14,031.36 = 2,780.48/x
  3. Step 3: Cross multiply
    9,354.24x = 14,031.36 × 2,780.48
  4. Step 4: Simplify right side
    9,354.24x = 39,013,950.93
  5. Step 5: Solve for x
    x = 39,013,950.93/9,354.24
  6. Step 6: Final answer
    x = 4,170.72

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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.