Home / 10,384.83-15,574.91-2,987.64

Finding the Fourth Proportional to 10,384.83, 15,574.91 and 2,987.64

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Solution

The fourth proportional to 10,384.83, 15,574.91 and 2,987.64 is: 4,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.83 : 15,574.91 = 2,987.64 : x
  2. Step 2: Convert to fraction form
    10,384.83/15,574.91 = 2,987.64/x
  3. Step 3: Cross multiply
    10,384.83x = 15,574.91 × 2,987.64
  4. Step 4: Simplify right side
    10,384.83x = 46,532,209.17
  5. Step 5: Solve for x
    x = 46,532,209.17/10,384.83
  6. Step 6: Final answer
    x = 4,480.79

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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.