Home / 15,459.36-23,168.07-7,121.04

Finding the Fourth Proportional to 15,459.36, 23,168.07 and 7,121.04

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Solution

The fourth proportional to 15,459.36, 23,168.07 and 7,121.04 is: 10,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.36 : 23,168.07 = 7,121.04 : x
  2. Step 2: Convert to fraction form
    15,459.36/23,168.07 = 7,121.04/x
  3. Step 3: Cross multiply
    15,459.36x = 23,168.07 × 7,121.04
  4. Step 4: Simplify right side
    15,459.36x = 164,980,753.19
  5. Step 5: Solve for x
    x = 164,980,753.19/15,459.36
  6. Step 6: Final answer
    x = 10,671.90

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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.