Home / 10,377.64-14,320.56-5,902.48

Finding the Fourth Proportional to 10,377.64, 14,320.56 and 5,902.48

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Solution

The fourth proportional to 10,377.64, 14,320.56 and 5,902.48 is: 8,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.64 : 14,320.56 = 5,902.48 : x
  2. Step 2: Convert to fraction form
    10,377.64/14,320.56 = 5,902.48/x
  3. Step 3: Cross multiply
    10,377.64x = 14,320.56 × 5,902.48
  4. Step 4: Simplify right side
    10,377.64x = 84,526,818.99
  5. Step 5: Solve for x
    x = 84,526,818.99/10,377.64
  6. Step 6: Final answer
    x = 8,145.09

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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.