Home / 15,636.72-23,442.16-7,312.64

Finding the Fourth Proportional to 15,636.72, 23,442.16 and 7,312.64

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Solution

The fourth proportional to 15,636.72, 23,442.16 and 7,312.64 is: 10,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636.72 : 23,442.16 = 7,312.64 : x
  2. Step 2: Convert to fraction form
    15,636.72/23,442.16 = 7,312.64/x
  3. Step 3: Cross multiply
    15,636.72x = 23,442.16 × 7,312.64
  4. Step 4: Simplify right side
    15,636.72x = 171,424,076.90
  5. Step 5: Solve for x
    x = 171,424,076.90/15,636.72
  6. Step 6: Final answer
    x = 10,962.92

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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.