Home / 15,640.22-23,447.40-7,316.14

Finding the Fourth Proportional to 15,640.22, 23,447.40 and 7,316.14

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Solution

The fourth proportional to 15,640.22, 23,447.40 and 7,316.14 is: 10,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.22 : 23,447.40 = 7,316.14 : x
  2. Step 2: Convert to fraction form
    15,640.22/23,447.40 = 7,316.14/x
  3. Step 3: Cross multiply
    15,640.22x = 23,447.40 × 7,316.14
  4. Step 4: Simplify right side
    15,640.22x = 171,544,461.04
  5. Step 5: Solve for x
    x = 171,544,461.04/15,640.22
  6. Step 6: Final answer
    x = 10,968.16

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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.