Home / 10,070.55-15,103.40-4,225.59

Finding the Fourth Proportional to 10,070.55, 15,103.40 and 4,225.59

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Solution

The fourth proportional to 10,070.55, 15,103.40 and 4,225.59 is: 6,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.55 : 15,103.40 = 4,225.59 : x
  2. Step 2: Convert to fraction form
    10,070.55/15,103.40 = 4,225.59/x
  3. Step 3: Cross multiply
    10,070.55x = 15,103.40 × 4,225.59
  4. Step 4: Simplify right side
    10,070.55x = 63,820,754.88
  5. Step 5: Solve for x
    x = 63,820,754.88/10,070.55
  6. Step 6: Final answer
    x = 6,337.37

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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.