Home / 10,032.72-13,844.40-5,780.76

Finding the Fourth Proportional to 10,032.72, 13,844.40 and 5,780.76

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Solution

The fourth proportional to 10,032.72, 13,844.40 and 5,780.76 is: 7,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,032.72 : 13,844.40 = 5,780.76 : x
  2. Step 2: Convert to fraction form
    10,032.72/13,844.40 = 5,780.76/x
  3. Step 3: Cross multiply
    10,032.72x = 13,844.40 × 5,780.76
  4. Step 4: Simplify right side
    10,032.72x = 80,031,153.74
  5. Step 5: Solve for x
    x = 80,031,153.74/10,032.72
  6. Step 6: Final answer
    x = 7,977.01

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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.