Home / 10,842.02-14,961.60-6,126.20

Finding the Fourth Proportional to 10,842.02, 14,961.60 and 6,126.20

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Solution

The fourth proportional to 10,842.02, 14,961.60 and 6,126.20 is: 8,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,842.02 : 14,961.60 = 6,126.20 : x
  2. Step 2: Convert to fraction form
    10,842.02/14,961.60 = 6,126.20/x
  3. Step 3: Cross multiply
    10,842.02x = 14,961.60 × 6,126.20
  4. Step 4: Simplify right side
    10,842.02x = 91,657,679.11
  5. Step 5: Solve for x
    x = 91,657,679.11/10,842.02
  6. Step 6: Final answer
    x = 8,453.93

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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.