Home / 10,455.21-14,421.85-6,203.47

Finding the Fourth Proportional to 10,455.21, 14,421.85 and 6,203.47

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Solution

The fourth proportional to 10,455.21, 14,421.85 and 6,203.47 is: 8,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.21 : 14,421.85 = 6,203.47 : x
  2. Step 2: Convert to fraction form
    10,455.21/14,421.85 = 6,203.47/x
  3. Step 3: Cross multiply
    10,455.21x = 14,421.85 × 6,203.47
  4. Step 4: Simplify right side
    10,455.21x = 89,465,551.23
  5. Step 5: Solve for x
    x = 89,465,551.23/10,455.21
  6. Step 6: Final answer
    x = 8,557.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.