Home / 10,090.08-15,135.53-4,543.20

Finding the Fourth Proportional to 10,090.08, 15,135.53 and 4,543.20

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Solution

The fourth proportional to 10,090.08, 15,135.53 and 4,543.20 is: 6,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.08 : 15,135.53 = 4,543.20 : x
  2. Step 2: Convert to fraction form
    10,090.08/15,135.53 = 4,543.20/x
  3. Step 3: Cross multiply
    10,090.08x = 15,135.53 × 4,543.20
  4. Step 4: Simplify right side
    10,090.08x = 68,763,717.18
  5. Step 5: Solve for x
    x = 68,763,717.18/10,090.08
  6. Step 6: Final answer
    x = 6,814.98

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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.