Home / 15,348.78-23,066.51-9,109.96

Finding the Fourth Proportional to 15,348.78, 23,066.51 and 9,109.96

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Solution

The fourth proportional to 15,348.78, 23,066.51 and 9,109.96 is: 13,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.78 : 23,066.51 = 9,109.96 : x
  2. Step 2: Convert to fraction form
    15,348.78/23,066.51 = 9,109.96/x
  3. Step 3: Cross multiply
    15,348.78x = 23,066.51 × 9,109.96
  4. Step 4: Simplify right side
    15,348.78x = 210,134,880.22
  5. Step 5: Solve for x
    x = 210,134,880.22/15,348.78
  6. Step 6: Final answer
    x = 13,690.66

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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.