Home / 15,431.07-23,109.66-14,656.05

Finding the Fourth Proportional to 15,431.07, 23,109.66 and 14,656.05

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Solution

The fourth proportional to 15,431.07, 23,109.66 and 14,656.05 is: 21,948.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.07 : 23,109.66 = 14,656.05 : x
  2. Step 2: Convert to fraction form
    15,431.07/23,109.66 = 14,656.05/x
  3. Step 3: Cross multiply
    15,431.07x = 23,109.66 × 14,656.05
  4. Step 4: Simplify right side
    15,431.07x = 338,696,332.44
  5. Step 5: Solve for x
    x = 338,696,332.44/15,431.07
  6. Step 6: Final answer
    x = 21,948.99

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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.