Home / 10,244.02-14,138.55-9,776.55

Finding the Fourth Proportional to 10,244.02, 14,138.55 and 9,776.55

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Solution

The fourth proportional to 10,244.02, 14,138.55 and 9,776.55 is: 13,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,244.02 : 14,138.55 = 9,776.55 : x
  2. Step 2: Convert to fraction form
    10,244.02/14,138.55 = 9,776.55/x
  3. Step 3: Cross multiply
    10,244.02x = 14,138.55 × 9,776.55
  4. Step 4: Simplify right side
    10,244.02x = 138,226,241.00
  5. Step 5: Solve for x
    x = 138,226,241.00/10,244.02
  6. Step 6: Final answer
    x = 13,493.36

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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.