Home / 10,011.84-13,815.48-5,820.36

Finding the Fourth Proportional to 10,011.84, 13,815.48 and 5,820.36

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Solution

The fourth proportional to 10,011.84, 13,815.48 and 5,820.36 is: 8,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011.84 : 13,815.48 = 5,820.36 : x
  2. Step 2: Convert to fraction form
    10,011.84/13,815.48 = 5,820.36/x
  3. Step 3: Cross multiply
    10,011.84x = 13,815.48 × 5,820.36
  4. Step 4: Simplify right side
    10,011.84x = 80,411,067.17
  5. Step 5: Solve for x
    x = 80,411,067.17/10,011.84
  6. Step 6: Final answer
    x = 8,031.60

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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.