Home / 10,031.72-13,835.36-7,519.72

Finding the Fourth Proportional to 10,031.72, 13,835.36 and 7,519.72

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Solution

The fourth proportional to 10,031.72, 13,835.36 and 7,519.72 is: 10,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.72 : 13,835.36 = 7,519.72 : x
  2. Step 2: Convert to fraction form
    10,031.72/13,835.36 = 7,519.72/x
  3. Step 3: Cross multiply
    10,031.72x = 13,835.36 × 7,519.72
  4. Step 4: Simplify right side
    10,031.72x = 104,038,033.30
  5. Step 5: Solve for x
    x = 104,038,033.30/10,031.72
  6. Step 6: Final answer
    x = 10,370.91

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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.