Home / 10,121.04-13,968-6,141.24

Finding the Fourth Proportional to 10,121.04, 13,968 and 6,141.24

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Solution

The fourth proportional to 10,121.04, 13,968 and 6,141.24 is: 8,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.04 : 13,968 = 6,141.24 : x
  2. Step 2: Convert to fraction form
    10,121.04/13,968 = 6,141.24/x
  3. Step 3: Cross multiply
    10,121.04x = 13,968 × 6,141.24
  4. Step 4: Simplify right side
    10,121.04x = 85,780,840.32
  5. Step 5: Solve for x
    x = 85,780,840.32/10,121.04
  6. Step 6: Final answer
    x = 8,475.50

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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.