Home / 11,312.02-15,610.16-6,277.20

Finding the Fourth Proportional to 11,312.02, 15,610.16 and 6,277.20

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Solution

The fourth proportional to 11,312.02, 15,610.16 and 6,277.20 is: 8,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.02 : 15,610.16 = 6,277.20 : x
  2. Step 2: Convert to fraction form
    11,312.02/15,610.16 = 6,277.20/x
  3. Step 3: Cross multiply
    11,312.02x = 15,610.16 × 6,277.20
  4. Step 4: Simplify right side
    11,312.02x = 97,988,096.35
  5. Step 5: Solve for x
    x = 97,988,096.35/11,312.02
  6. Step 6: Final answer
    x = 8,662.30

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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.