Home / 10,384.01-15,579.25-3,720.57

Finding the Fourth Proportional to 10,384.01, 15,579.25 and 3,720.57

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Solution

The fourth proportional to 10,384.01, 15,579.25 and 3,720.57 is: 5,582.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.01 : 15,579.25 = 3,720.57 : x
  2. Step 2: Convert to fraction form
    10,384.01/15,579.25 = 3,720.57/x
  3. Step 3: Cross multiply
    10,384.01x = 15,579.25 × 3,720.57
  4. Step 4: Simplify right side
    10,384.01x = 57,963,690.17
  5. Step 5: Solve for x
    x = 57,963,690.17/10,384.01
  6. Step 6: Final answer
    x = 5,582.01

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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.