Home / 9,339.06-13,999.95-4,142.10

Finding the Fourth Proportional to 9,339.06, 13,999.95 and 4,142.10

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Solution

The fourth proportional to 9,339.06, 13,999.95 and 4,142.10 is: 6,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.06 : 13,999.95 = 4,142.10 : x
  2. Step 2: Convert to fraction form
    9,339.06/13,999.95 = 4,142.10/x
  3. Step 3: Cross multiply
    9,339.06x = 13,999.95 × 4,142.10
  4. Step 4: Simplify right side
    9,339.06x = 57,989,192.90
  5. Step 5: Solve for x
    x = 57,989,192.90/9,339.06
  6. Step 6: Final answer
    x = 6,209.32

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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.