Home / 15,430.16-23,146.32-7,636.88

Finding the Fourth Proportional to 15,430.16, 23,146.32 and 7,636.88

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Solution

The fourth proportional to 15,430.16, 23,146.32 and 7,636.88 is: 11,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.16 : 23,146.32 = 7,636.88 : x
  2. Step 2: Convert to fraction form
    15,430.16/23,146.32 = 7,636.88/x
  3. Step 3: Cross multiply
    15,430.16x = 23,146.32 × 7,636.88
  4. Step 4: Simplify right side
    15,430.16x = 176,765,552.55
  5. Step 5: Solve for x
    x = 176,765,552.55/15,430.16
  6. Step 6: Final answer
    x = 11,455.85

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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.