Home / 9,312.02-13,968.30-4,118.30

Finding the Fourth Proportional to 9,312.02, 13,968.30 and 4,118.30

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Solution

The fourth proportional to 9,312.02, 13,968.30 and 4,118.30 is: 6,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.02 : 13,968.30 = 4,118.30 : x
  2. Step 2: Convert to fraction form
    9,312.02/13,968.30 = 4,118.30/x
  3. Step 3: Cross multiply
    9,312.02x = 13,968.30 × 4,118.30
  4. Step 4: Simplify right side
    9,312.02x = 57,525,649.89
  5. Step 5: Solve for x
    x = 57,525,649.89/9,312.02
  6. Step 6: Final answer
    x = 6,177.57

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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.