Home / 10,184.58-15,280.11-4,987.62

Finding the Fourth Proportional to 10,184.58, 15,280.11 and 4,987.62

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Solution

The fourth proportional to 10,184.58, 15,280.11 and 4,987.62 is: 7,483.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.58 : 15,280.11 = 4,987.62 : x
  2. Step 2: Convert to fraction form
    10,184.58/15,280.11 = 4,987.62/x
  3. Step 3: Cross multiply
    10,184.58x = 15,280.11 × 4,987.62
  4. Step 4: Simplify right side
    10,184.58x = 76,211,382.24
  5. Step 5: Solve for x
    x = 76,211,382.24/10,184.58
  6. Step 6: Final answer
    x = 7,483.02

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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.