Home / 10,719.68-16,070.40-4,874.24

Finding the Fourth Proportional to 10,719.68, 16,070.40 and 4,874.24

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Solution

The fourth proportional to 10,719.68, 16,070.40 and 4,874.24 is: 7,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.68 : 16,070.40 = 4,874.24 : x
  2. Step 2: Convert to fraction form
    10,719.68/16,070.40 = 4,874.24/x
  3. Step 3: Cross multiply
    10,719.68x = 16,070.40 × 4,874.24
  4. Step 4: Simplify right side
    10,719.68x = 78,330,986.50
  5. Step 5: Solve for x
    x = 78,330,986.50/10,719.68
  6. Step 6: Final answer
    x = 7,307.21

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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.